added a separate image processor for brightnessRatio
added a specific EdgeProcessor file
Asymmetry algo
skeletonize - similar to edges
morphology
adding some morphology
adding some new feature extractors
changes to trainer
Merge branch 'features' of https://github.com/Caesarofthesky/GalaxyQuest2 into features

Conflicts:
	Asymmetry.py
	Dilation.py
	brightnessRatioProcessor.py
	machineTrainer.py
Merge pull request #8 from Zhang/features

Features