Base for Native Activity example added.
Initialization with Manager instead static link added.
moved utility functions from gpu_perf_test and gpu_test to ts module
moved SURF_GPU and VIBE to gpunonfree module
fixed warnings
merged gpunonfree and nonfree module
Code refactoring was done.
dramatic speedup of SVM::predict in the case of linear SVM
added load/save feature for SVM classifier in letter_recog sample
added test for bug #1448 and hopefully fixes the bug #2898
Merge pull request #656 from jet47:gpu-nonfree
Merge pull request #669 from vpisarev:fast_lin_svm
fixed gpu::LUT on multi device system
increased time limits in perf tests
increased epsilon in sanity test
disable tests that requires video support if it is not available
fixed minMax perf test
added simd_functions.hpp to device layer
Merge pull request #662 from asmorkalov:android_native_activity
Merge pull request #677 from jet47:gpu-lut-fix