Work on python wrapped generation automation:
 - all parsed headers are included into "cv2.cpp" with "pyopencv_generated_include.h"
 - types starting with "Ptr_" converted to "Ptr<...>" form (avoids many typedefs in "cv2.cpp")
disabled IPP functions that slower than OpenCV
find -> rindex
Merge pull request #2724 from znah:python_autowrap
Merge pull request #2663 from ilya-lavrenov:ipp_slow
Merge pull request #2740 from ilya-lavrenov:tapi_norm_fix
fix bug #3678 (cuda::integral failures)
Merge pull request #2749 from jet47:fix-bug-3678
IPP: fixed ipp_matchTemplate
Merge pull request #2756 from ElenaGvozdeva:ippi_matchTemplate