use perf test replace performance sample
fixed misprint in MatOp::augAssignXor
removed unnecessary tmp variable (convertTo can work in-place)
fixed misprint in icvCreateIsometricImage
fixed misprint in imgwarp.cpp
removed duplication
fixed potential dereference of null pointer
fixed incorrect sizeof() expression in CvCaptureCAM_VFW::open
fixed incorrect sizeof() expression in CvCalibFilter::SetCameraCount
fixed mind/maxd search in CvFuzzyMeanShiftTracker::SearchWindow::initDepthValues
fixed condition in KeyPointsFilter::retainBest
fixed inconsistent  new/delete operators
CMakeLists.txt for Android native activity added.
fixed gpu module compilation under windows
Merge pull request #725 from taka-no-me:fix_array_create
Merge pull request #726 from jet47:fix-pvs-studio-warnings
Merge pull request #727 from asmorkalov:android_na_cmake
Merge pull request #729 from jet47:fix-gpu-windows-build
Merge pull request #713 from bitwangyaoyao:2.4_perf
Update Android toolchain to the latest version supporting NDK r8e