Merge pull request #666 from cuda-geek:warnings
improved test of webp
dramatic speedup of SVM::predict in the case of linear SVM
added load/save feature for SVM classifier in letter_recog sample
compilation for osx
Merge pull request #668 from AoD314:webp2
Merge pull request #670 from Nerei:osx_compilation
Multiple Windows RT fixes

TIFF build was fixed;
Direct Show back-end was enabled;
More accurate guards implemented.
added test for bug #1448 and hopefully fixes the bug #2898
update five-point license
Move non-CV functionality from core.hpp to separate utility.hpp header
refactored video module; use the new-style algorithms now
refactored video module; use the new-style algorithms now
More accurate guards for WinRT features in CMake.
Fixing segfault for near-zero-sized ellipses
Merge pull request #656 from jet47:gpu-nonfree
repaired std::string handling
Merge pull request #681 from jbohren-forks:fix-ellipse-segfault
Merge pull request #669 from vpisarev:fast_lin_svm
Merge pull request #657 from prclibo:master