added eps to ocl::buildWarpPerspectiveMaps perf test
refactored some functions from ocl arithm
fixes http://code.opencv.org/issues/3367
added RGB[A] -> HSV[FULL] conversion
return when OpenCV is found
added RGB[A] -> HLS[FULL] conversion
added HSV -> RGB[A][FULL] conversion
added HLS -> RGB[A][FULL] conversion
cleaner fix
Merge pull request #1790 from ilya-lavrenov:ocl_ref
Merge pull request #1792 from ilya-lavrenov:ocl_warp_eps
Merge pull request #1796 from ilya-lavrenov:ocl_cvtColor
Merge pull request #1794 from vrabaud:2.4