[Components/FeatureTrackerBank] Bugfix in initial filter placement
[eventSubPix] Bug fix assignation of floating values in constructor
[matlab]Add new matlab scripts to load files containing event2d and eventSubPix
[Components/VisualFlow] Added some classes to support visual flow.
[modelData/FeatureTracker]Adding new filters for vergence
[Components/VisualFlow] Bugfixes + correct comments

First working version of the visual flow... are the results as expected ?...
Various modifications
[ihead_producer.h]
[unmask_icub.h]    Modifications to work with the latest variations of the code
[Yarp/move_ihead_consumer]   New class that moves the iHead trying to follow some events
[Components/VisualFlow] Full working version of the visual flow + demo