getGrayNumpyCv2 bug fixed
Merge pull request #230 from jayrambhia/graynumpycv2

getGrayNumpyCv2 bug fixed (Issue #229)
Merge branch 'develop' of github.com:ingenuitas/SimpleCV into feature/cards
Fixed merge conflict in unit test file
Added directory functionality to VirtualCamera
Merge branch 'develop' of github.com:ingenuitas/SimpleCV into feature/cards