[IMPROVEMENT] Directed closed fist

basic directed gesture with fist closed
[IMPROVEMENT] Add 2D gesture Recognition thanks to 1$ library
[IMPROVEMENT][CLOSES #77] Add Manager for 2D gestures
[IMPROVEMENT] Change cursor upon PushGesture recognition
[IMPROVEMENT] dummy elements to wrap cursor image now references ImagesDictionary
[IMPROVEMENT] Add param to gestures which can be set through Ctor
[IMPROVEMENT] ContactProfileFlyout updated
Merge pull request #83 from PLICMTI2014-IHM/leap

LeapMotion + LeapMotion.Recognize
Merge branch 'client'
[BUGFIX] PreBuild error when path contains directory name with spaces
Merge branch 'master' into leap
Merge branch 'master' into server