add NEON realization for StereoBM(findCorrespondence, prefilterXSobel)
Add CV_Assert (ndisp % 8 == 0) to NEON version
fix cv::gpu::resize for INTER_LINEAR, now it produces the same result as CPU version
Merge pull request #3026 from jet47:fix-gpu-resize-linear
fixing setting the locale back to what should be expected
fix should be applyed for every window interface and generation
Merge pull request #3046 from StevenPuttemans:fix_Qt_locale
Fixed self-assignment in cv::Ptr::operator =

A self-assignment leads to a call of release() with refcount being 2. In the release() method, refcount is decremented and then successfully checked for being 1. As a consequence, the underlying data is released. To prevent this, we test for a self-assignment
Merge pull request #3058 from PhilLab:patch-2
fix bug 3733 for imgproc/filter.cpp
Merge pull request #3076 from vpisarev:fix_small_filters
Merge pull request #2827 from Alexander-Petrikov-ELVEES-NEOTEK:neon-stereobm
GCC 4.8 warning array subscript is above array bounds fixed.
Merge pull request #3093 from asmorkalov:ocv_array_bound_fix
Fix reallocation of D buffer in gemm

Conflicts:
	modules/core/src/matmul.cpp
Merge pull request #3108 from LeszekSwirski:fix-gemm-buf-allocate-2.4
Merge branch '2.4' into issue3258