* move setvideomode to common place
* implement more croping and 3d support
* more api unification
* more refactoring
* osx fix
* next step
* add a mock for osx grabber. Now it is possible to test compile on none osx platforms.
* more unifications ...
* remove obsolete includes and grabbers are not dyn allocated. dispmanx needs rework an probaly not work atm
* first version of dispmanx mock. it compiles, but outputs a black image
* now dispmanx mock works!
* activate mocks in travis linux build
prepare dispmanx to rgb image out
* dispmanx now with image rgb output
fix deadlock with w/h -1 in grabber v4l
cleanups
* fix json
* fix some runtime stuff
* Update FramebufferWrapper.cpp
fix missing code
* unify grabframe
* 3d and croping for amlogic
* fix setimage not working
* make use of templates
save some codelines
* save more code lines
* implement set videomode via json api
* refactor grabbers:
- new base class
- move shared code to base class
* fix osx
* rework all cmakelist files with auto file collection. except leddevices (need further restructuring)
* store current video and grabbing mode
* add json stuff
* remove grabbingmode - we do not want to expose it
