Add K_ALTGR key and extend shift_down mask to support altgrep shift levels
Remove `K_ALTGR` and change `XLateKey` to return wsw keycode only.
Merge pull request #66 from MGXRace/unixinput

Alt-Gr support in linux
Fixed bug with explicit construct call and reference types
Merge branch 'master' of github.com:viciious/qfusion
Fix guard define
Update cJSON
Fix rendering of team-colored lightmapped shaders
Set video mode to custom if vid_modes doesn't contain an exact match for detected resolution
Fix items receiving zero lighting in vertex lighting mode
Add stuffcmds.cfg for systems without command line
LIB_OPEN_DIRECTLY
Sys_Library_ErrorString const
Sys_Library_ErrorString const on Win32
Sys_Library_ErrorString const on Unix
GetHomeDirectory: Win32
GetHomeDirectory: Unix
GetHomeDirectory: files.c
Update angelscript libs
Store up and right axis of autosprite2 in svectors vertex attribute