Use C linkage in frontend.h and input_common.h
Add support for Cobra ODE
Merge pull request #475 from clienthax/master

Add support for Cobra ODE
Merge pull request #474 from heuripedes/extern-c

Use C linkage in frontend.h and input_common.h
Merge remote-tracking branch 'upstream/master'
(retroarch-qt) Remove unused header
(retroarch-qt) Initial keyboard input support commit