After commit c7bbd1a, 'include_directories()' is needed in the CMakeLists.txt (user side). This commit updates the documentation.
Fixed VIZ compilation module (Bug 3297: code.opencv.org/issues/3297)
Android NDK r9 support. x64 NDK support fix for MacOS X.
Fixed a -Wnull-conversion Clang warning in cap_gstreamer.cpp.
Merge pull request #1553 from pablospe:doc_include_directories_cmake
Merge pull request #1554 from pablospe:fix_viz_module_compilation
Merge pull request #1559 from SpecLad:Wnull-conversion
Merge pull request #1536 from asmorkalov:android_ndk_r9_master