added types of LBP with a 4-neighborhood
Merge branch 'refact' of github.com:elador/FeatureDetection into refact

Conflicts:
	libImageProcessing/include/imageprocessing/LbpFilter.hpp
Merge branch 'refact' of github.com:elador/FeatureDetection into refact
stuffz
updated two config files
some fixes
new instead of shared_ptr on 12/14 args func-calls

MAYBE NOW A MEMORY LEAK? (no delete)
Caching of RVM kernel-vals hacked in (careful, only use when weights not cascaded!)
added kernel cache to RvmClassifier
used alternative to dot product computation in PolynomialKernel
Merge branch 'exp' of github.com:elador/FeatureDetection into exp

Conflicts:
	libClassification/include/classification/RvmClassifier.hpp
replaced the dot operation call of PolynomialKernel by an own implementation, similar to RbfKernel
reverted the dot operation of PolynomialKernel back to its original version
- tidied up the experimental stuff
- added DirectImageFeatureExtractor that extracts patches/features from the images directly
- added HaarFeatureFilter that computes Haar features values from integral images
- removed a lot of experimental stuff
- tidied up adaptive and head tracking app
updated the config files of adaptive and head tracking app
removed unnecessary includes from adaptive and head tracking app