Merge pull request #81 from fabienrohrer/master

Improved transition from motion to walk by using the walkready motion
Added manager Vision
Added example VisualTracking
Cleaned manager and update Changelog.
Merge pull request #82 from DavidMansolino/VisionManager

Added the Vision manager
Updated example sample to use Vision manager
Updated ChangeLog
Added the comments in the files config.ini
Update comments
Merge pull request #83 from DavidMansolino/updateSample

Updated example sample
Corrected Makefile.darwin-op
Corrected minor bug in LED.cpp
Corrected rgb/bgra in module camera for cross-compilation.
Adapted controller to work on the real robot too
Merge pull request #84 from DavidMansolino/CorrectionVisualTrackin

Addepted example visualTracking
Added function isDetected to the vision manager.
Added function getSamplingPeriod
Merge pull request #85 from DavidMansolino/ImproveVisionManager

Added function isDetected to the vision manager.
Added getLed
Added Servo::getTargetPosition()