Added implementation for RGB to YUV420p color conversion
Added tests for RGB to YUV420p color conversion
Added multithreaded implementation for RGB to YUV420p color conversion
Merge pull request #491 from Daniil-Osokin:cvtRGB2YUV420p
moving JNI library to 'build/lib' dir on non-Win
updating JNI lib location for Unix; formatting update
more formatting
minor formatting
removing redundant code
Merge pull request #620 from apavlenko:java_tutorial_fix
Fix build errors
Fix build errors with c++11
Merge pull request #634 from taka-no-me:c++11-master
Merge pull request #635 from taka-no-me:c++11
Fix clang + ccache build warnings
Merge branch '2.4'
Merge remote-tracking branch 'upstream/master'