Fix of bug #3283 and bug #3301
Added extra information for fitEllipse, minAreaRect and addapted ellipse &
ellipse2Poly parameter description.
Fix a -Wshadow warning in cap_openni.cpp.
ocl: tests: RNG usage refactoring
fixed ipp-related warnings
Merge pull request #1566 from SpecLad:Wshadow-openni
svm: disable failed tests
Invalid copy-passed exception messages in FaceDetect sample for Android fixed.
Merge pull request #1578 from asmorkalov:android_fd_cp_fix
ocl: fix Context::CL_* usage
Merge pull request #1570 from ilya-lavrenov:ipp_warn_fix
enabled OpenCL 1.2 branch in oclMat::setTo
Merge pull request #1545 from alalek:ocl_test_fix_rng
Merge pull request #1538 from StevenPuttemans:bugfix_3283
Merge pull request #1576 from alalek:ocl_fix_cl_double
Merge pull request #1577 from ilya-lavrenov:ocl_setto_opencl12
Merge pull request #1574 from alalek:svm_workaround