Used float instead of int for CV_8U in sumTemplate
new block size for dft
added dft for all platforms
use std::min,max
Vectorize split & merge for NEON
fixed ocl tests for BlendLinear, BoxFilter, Integral
fixed test for CvtColor RGB -> Luv
fixed ocl_integral
Fix epsilon for OpenCL function ConverTo, for convertation from float to integer types
Fix error in OpenCl version of meanstddev for continues src and not continues mask
Merge pull request #3035 from ElenaGvozdeva:ocl_test_fix
Merge pull request #3043 from vbystricky:ocl_ConvertToAccurTestFix
Merge pull request #3045 from vbystricky:ocl_MeanStdDevFix
world fix
make distrib with world (shared libs)
Merge pull request #3041 from adrians:optimize_split
Merge pull request #3013 from ElenaGvozdeva:ocl_matchTemplate
Merge pull request #3039 from alalek:ocv_world