performance tests for ORB
fix: use "cvAlloc" wrapper function for malloc.
Fixed getPolicy() method to make it thread-safe.
Removed workaround for Intel platform.
Merge pull request #2474 from akarsakov:fix_getpolicy
fix for unsupported doubles
added 3 vs 4 channels performance tests
stereoBM
added optimization
optimizations
bad experiment =(
new attempt
new approach
fixes
temp
speedUp
Merge pull request #2480 from vpisarev:ocl_orb
Merge pull request #2475 from ilya-lavrenov:ocl_2.4_fix
Merge pull request #2482 from ilya-lavrenov:tapi_fix
Merge pull request #2483 from ilya-lavrenov:tapi_3_vs_4