[imageSplitter] Module added

A simple module that split an image port. For playing with visual
hierarchies
[cvzCore] hack to allow "name" to be overriden from commandline

A better solution for allowing any parameter to be overriden from the
command line should be found...
[cvz/conf] slight changes
[cvz] Removed a bunch of warnings
[cvz] Quest for warnings...
[cvz] warning purged
[cvz] Finished. Sorry...
[imageSplitter]: cmake fixed
[slidingController]: minor change
[imageSplitter] refactored code, added fovea
[cvzModel] draft of implementation
[IConvergenceZone] RFModule->Thread

IConvergenceZone does not inherit from RFModule anymore. Instead a new
class inheriting from RateThread is wrapping around it. Currently in
CvzBuilder, should be moved out.
Minor fixes
[cvz] Gui a bit more compact
--
[wrdac] fixed structure + added example
[imageFuser] counterpart of the imageSplitter
Merge remote-tracking branch 'origin/master' into dvp-efaa/inserm