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

1 files changed, 17 insertions, 1 deletions

diff --git a/quantum/api.c b/quantum/api.c
index 6a7c0a4332..52dfe23e17 100644
--- a/quantum/api.c
+++ b/quantum/api.c
@@ -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 "api.h"
 #include "quantum.h"
 
@@ -176,4 +192,4 @@ void process_api(uint16_t length, uint8_t * data) {
         // #endif
     }
 
-}
\ No newline at end of file
+}