Add binary and debug files to gitignoreE
Fix some bugs in the code style
Add profiling information to gitigmore
Add abstract implementation of the GMMSubtractor
Delete profiling information from file tracking
Add realizations of the GMM background subtractor with empty functionality
Add choice of implementation for GMMSubtractor class
add guards for train and subtract methods in IGMMSubtractorImpl
Add initialization to GMMSubtractorImpl1