Added running average and STD features for fly area and distance moved:
does some basic filtering on false positives using those values
Improved the Video debugging in real time using a debug_info dictionary
Removed the class ARENA and created the class ROImask. Now ROImask takes
care of ROI handling and all the rest is done by Monitor
Fixed some major bug with masking of the ROI during tracking
Changed the findcountours/tracking alg.
The "trackonly" option is really draw-less
Coded cleaned in general
The trackonly option is really draw-less
Verbose output on video while drawing the mask