Now developers should call the method setFaceDetectionMaskGenerator() to use prefiltering mask generator
implemented for face detection.

Added possibility of prefiltering into CascadeClassifier. Now OpenCV users can implement their own mask generators and insert them into CascadeClassifier. 

Implemented the first variant of working with masks in CascadeClassifier. Probably, will be rewritten soon.

Added pedestrian detection trained model for HOG cascade detection algorithm.

fixed crashes in parallel HOG detector; avoid use of new POPCNT instruction in ORB (to make it compatible with older CPUs).

some internal classes and template functions from cascadedetect.cpp to this header.
This will allow to make a child class for such classes as LBPEvaluator, etc.
Also made all "private" fields in LBPEvaluator and HaarEvaluator to be "protected".

added COVAR_ and SORT_ enums to core.hpp; fixed many, many VS2005, VS2010 and MinGW (GCC 4.5.2) warnings

fixed TBB version in LatentSVM.
example works ok.

- improved CV_IN_OUT/CV_OUT handling for generated Python/Java wrappers

probably fixed parallel face detector (i.e. built with TBB), ticket #1185. Thanks to mengw for the patch