Added cv::flip using Transparent API
added cv::intergal to T-API
fixed warnings
Merge pull request #1937 from ilya-lavrenov:tapi_integral
Merge pull request #1942 from ilya-lavrenov:warn_fix
Fixed test for ocl_flip
Merge pull request #1936 from ElenaGvozdeva:ocl_flip
android: optional ffmpeg support