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
Merge pull request #656 from jet47:gpu-nonfree
Merge pull request #669 from vpisarev:fast_lin_svm
fixed gpu::LUT on multi device system
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
Merge pull request #679 from jet47:gpu-simd-functions