compute fps changed (now only interop counts). fixed d3d10 and d3d11 print info method (there were issues with texture mapping)

simplified sample's interface (remove odd "no processing" branch, add print to screen for processing mode)

http://code.opencv.org/issues/4462

Adding &31 to bit shift in order to silince coverity BAD_SHIFT defect

add default_stripes_count const

Fix SVM::trainAuto (Bug #4464)

Fixed errors in parallel_for based on pthreads

Fixing compiler errore & removing whitespaces

Fixing prallel_for_pthreads error and warnings on win

add template specialization Mat::push_back() for MatExpr paramters

extend push_back MatExpr to mat in unit test

cast to object instead of reference

test with multi-row MatExpr input