LibTIFF Win32 API back-end disabled for Windows RT.
/apicontainer added to linker flags on WinRT to fix api test issues.
Merge pull request #1359 from asmorkalov:winrt_tiff_api_fix
Merge pull request #1361 from asmorkalov:winrt_api_container
gpu -> ocl
enabled some tests that failed before OCL_TEST_CYCLE*() macroses were defined and for some tests was disabled SANITY_CHECK, because plain and ocl results must not be completely equal
Merge pull request #1370 from ilya-lavrenov:ocl_decor
Merge pull request #1363 from ilya-lavrenov:ocl_enable_tests