* Add Polish keymap
* Fix wrong AltGr mapping
* These are ogoneks, not cedillas
* Too many !s
* ANSI
* Just use BSLS
* Move BSLS
* Move PIPE
* Fix some incorrect names in keymap_slovak.h
Thanks to vomindoraan
* 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