new events example. simpleEventsExample
changed circle to Circle. changed listener methods names.
included support for PREFER_RGB_OVER_YUV and PREFER_NON_COMPRESSED defines when framerate is specified
cleaned ofEasyCam.h and added few getters to ofCamera
Merge pull request #1845 from roymacdonald/ofCamsAdditions

new getters in ofCamera
Merge pull request #1842 from timscaffidi/bugfix_gstVideoGrabber_formatType

included support for PREFER_RGB_OVER_YUV and PREFER_NON_COMPRESSED ...
Merge pull request #1799 from roymacdonald/feature-simpleEventExample

new events example. simpleEventsExample
Merge branch 'develop' of https://github.com/openframeworks/openFrameworks into feature-3dGraphics
Merge branch 'feature-3dGraphics' of https://github.com/NickHardeman/openFrameworks into feature-3dGraphics