Optical flow dualt tvl1 ocl-based implementation and tests
changed epsilon for test passing
changed file name to case-sensitve to support linux
changed localsize to NULL (reviewers comment)
macro for normal return from thriveless kernel.set
fix bitwise ops and mask support
changed kernel.set to support unsuccssful set
TAPI: remap 3-channel
Merge pull request #2455 from ilya-lavrenov:tapi_fix
Merge pull request #2387 from alalek:ocl_remap_3cn
Merge pull request #2373 from mlyashko:optflow_dualtvl1