Adding support for GDAL raster images.
Fixed the compiler warnings for the demo program.
Fixing double to uchar conversion warning.
moved nonfree and a part of features2d to opencv_contrib/xfeatures2d
fixed doc builder complains and the test failures
removed the stuff that's now in xfeatures2d; temporarily added dummy definition of SIFT to make doc builder pass (will remove it later)
removed the stuff that's now in xfeatures2d; temporarily added dummy definition of SIFT to make doc builder pass (will remove it later)
Fixed warning with "uninitialized local variable"
fixed more doc builder warnings
Increased epsilon for passing test with IPPICV
fixed Erode and Dilate in case of kernel = Mat()
Added ROUNDING_EPS for identical rounding after dividing on different platforms
removed some more trailing whitespaces
Added check required local memory size for non-inplace transpose kernel
fixed test for ocl PlaneWarperTest
Disabled ippiFilterBoxBorder_* in case maskSize equal roiSize for any dimension
Change decimation enum values so they can be used in resolution calculations.
BUGFIX: Fixed bugged when setting PVAPI property CV_CAP_PROP_FRAME_HEIGHT.
Merge pull request #3078 from vpisarev:refactor_features2d_take3
Merge pull request #3082 from ElenaGvozdeva:ocl_morphSmall
Set minimum matrix size for AmdBlas::gemm to 20 since it works incorrect for small sizes