Add PNG images of color_type PNG_COLOR_TYPE_PALETTE to run tests to solve issue 3075
added basketball1.png for haar perf test
updated sanity data for gpu resize
sanity data for ocl perf tests
Merge pull request #62 from jet47:gpu-resize
Merge pull request #61 from ilya-lavrenov:perf_ocl
Merge pull request #60 from leszekhanusz:png_palette_alpha
Merge remote-tracking branch 'origin/2.4' into merge-2.4

Conflicts:
	testdata/perf/gpu.xml
Merge pull request #63 from SpecLad:merge-2.4
Updated perf test data for all the tests
Merge pull request #64 from ilya-lavrenov:ocl_enable_tests
Merge remote-tracking branch 'origin/2.4' into merge-2.4