Added and tested ChiSquare method of getting images' similarities
More abstraction in our project.
FaceModel is now abstract class. Eigenfaces implementation moved to *eigenfaces files and classes
Fixed missprint in TRACE subsystem
Disable c-style IplImage (use cv::Mat instead)
Disable cout (use TRACE functions from trace.h file)
Added initial implementation for 2 FAPI functions: recognize and train (added smth like fabric for new functions). Added converters (sereailzer and de~) from json to func params for both this functions. Parameters descriptions and function description were added
Removed assertions from json lib
Minor bugs in FAPI functions realisation fixed. FAPI functions tested for 17-users base.
Implementation for FrokAPI class added
Fixed invalid empty json result in train function
Added implementation of Agend and Server for current architecture
Removed some debug code from server's main
Merge pull request #8 from dmedov/dev_linux

Added FrokAPI implementation
Added ChiSquare comparison between result images in eigenfaces recognition class
Added implementation of Agent and Server (API functions can be accessed by json commands)