added haarcascade_frontalface_default.xml
Merge vpisarev/facedetect_fixes into 2.4
matchTemplate sanity data added
Update reference data for cascasde test
Merge branch taka-no-me/fix_cascade_test
sanity data generated on C2050
Merge pull request #24 from Nerei/C2050_sanity_data

sanity data generated on C2050
test data for tvl1 optical flow
added sanity data for dual tvl1 opt flow
Merge pull request #26 from jet47/gpu-new-functionality

test data for PR 485
Added sanity data for RGB to YUV420p color converison
added test data for superres module
updated gpu sanity data
added sanity data for superres module
Merge pull request #28 from jet47:gpu-sanity into 2.4
removed obsolete demos & data
refactoring
refactored CMake scripts, switched to CPack
added denoising demo
split data between demos