Clarify the quantum license (#1042)

* Clarify the license for files we have signoff on

* Update against the currently signed off files

* Remove unused and not clearly licensed headers

* Replace an #endif I accidentally removed while resolving merge conflicts

10 files changed, 159 insertions, 5 deletions

diff --git a/quantum/audio/audio.c b/quantum/audio/audio.c
index e1e81fd2b8..597073611a 100644
--- a/quantum/audio/audio.c
+++ b/quantum/audio/audio.c
@@ -1,3 +1,18 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 #include <stdio.h>
 #include <string.h>
 //#include <math.h>
diff --git a/quantum/audio/audio.h b/quantum/audio/audio.h
index 47f326ea0a..27fdc2ab63 100644
--- a/quantum/audio/audio.h
+++ b/quantum/audio/audio.h
@@ -1,3 +1,18 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 #ifndef AUDIO_H
 #define AUDIO_H
 
@@ -88,4 +103,4 @@ void play_notes(float (*np)[][2], uint16_t n_count, bool n_repeat, float n_rest)
 
 bool is_playing_notes(void);
 
-#endif
\ No newline at end of file
+#endif
diff --git a/quantum/audio/audio_pwm.c b/quantum/audio/audio_pwm.c
index f820eec1be..ded86edeea 100644
--- a/quantum/audio/audio_pwm.c
+++ b/quantum/audio/audio_pwm.c
@@ -1,3 +1,18 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 #include <stdio.h>
 #include <string.h>
 //#include <math.h>
diff --git a/quantum/audio/luts.c b/quantum/audio/luts.c
index 9f3de9a05c..57f2d5924c 100644
--- a/quantum/audio/luts.c
+++ b/quantum/audio/luts.c
@@ -1,3 +1,19 @@
+/* Copyright 2016 IBNobody
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include <avr/io.h>
 #include <avr/interrupt.h>
 #include <avr/pgmspace.h>
diff --git a/quantum/audio/luts.h b/quantum/audio/luts.h
index 7df3078a7f..155e34e88d 100644
--- a/quantum/audio/luts.h
+++ b/quantum/audio/luts.h
@@ -1,3 +1,19 @@
+/* Copyright 2016 IBNobody
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include <avr/io.h>
 #include <avr/interrupt.h>
 #include <avr/pgmspace.h>
@@ -12,4 +28,4 @@
 extern const float vibrato_lut[VIBRATO_LUT_LENGTH];
 extern const uint16_t frequency_lut[FREQUENCY_LUT_LENGTH];
 
-#endif /* LUTS_H */
\ No newline at end of file
+#endif /* LUTS_H */
diff --git a/quantum/audio/musical_notes.h b/quantum/audio/musical_notes.h
index b08d16a6fa..a3aaa2f199 100644
--- a/quantum/audio/musical_notes.h
+++ b/quantum/audio/musical_notes.h
@@ -1,3 +1,19 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #ifndef MUSICAL_NOTES_H
 #define MUSICAL_NOTES_H
 
@@ -214,4 +230,4 @@
 #define NOTE_BF8 NOTE_AS8
 
 
-#endif
\ No newline at end of file
+#endif
diff --git a/quantum/audio/song_list.h b/quantum/audio/song_list.h
index 400915db91..3bf20333dd 100644
--- a/quantum/audio/song_list.h
+++ b/quantum/audio/song_list.h
@@ -1,3 +1,18 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 #include "musical_notes.h"
 
 #ifndef SONG_LIST_H
diff --git a/quantum/audio/voices.c b/quantum/audio/voices.c
index c2edb75f01..54ebd423b1 100644
--- a/quantum/audio/voices.c
+++ b/quantum/audio/voices.c
@@ -1,3 +1,18 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 #include "voices.h"
 #include "audio.h"
 #include "stdlib.h"
diff --git a/quantum/audio/voices.h b/quantum/audio/voices.h
index 52f7e006d6..9403a6b5e7 100644
--- a/quantum/audio/voices.h
+++ b/quantum/audio/voices.h
@@ -1,3 +1,18 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 #include <stdint.h>
 #include <stdbool.h>
 #include <avr/io.h>
@@ -32,4 +47,4 @@ void set_voice(voice_type v);
 void voice_iterate(void);
 void voice_deiterate(void);
 
-#endif
\ No newline at end of file
+#endif
diff --git a/quantum/audio/wave.h b/quantum/audio/wave.h
index 6ebc348519..f15615dd1b 100644
--- a/quantum/audio/wave.h
+++ b/quantum/audio/wave.h
@@ -1,3 +1,19 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
 #include <avr/io.h>
 #include <avr/interrupt.h>
 #include <avr/pgmspace.h>
@@ -262,4 +278,4 @@ const uint8_t sinewave[] PROGMEM= //2048 values
 0x76,0x77,0x77,0x77,0x78,0x78,0x78,0x79,
 0x79,0x7a,0x7a,0x7a,0x7b,0x7b,0x7c,0x7c,
 0x7c,0x7d,0x7d,0x7e,0x7e,0x7e,0x7f,0x7f
-};
\ No newline at end of file
+};