4.x
Merge pull request #12246 from sturkmen72:move_enums
Backport C-API cleanup (imgproc) from 5.x
Add Java and Python code for AKAZE local features matching tutorial. Fix incorrect uses of Mat.mul() in Java code.
Merge remote-tracking branch 'upstream/3.4' into merge-3.4
Update documentation and samples
Add Java and Python code for trackbar tutorial.
GSoC 2016 - Adding ALIASES for tutorial (#7041)
Add Java and Python code for cascade classifier and HDR tutorials.
photo: move TonemapDurand to opencv_contrib
Fix some typos in platforms/, samples/, 3rdparty/.
formating style and making changes accordingly to review
Compiling the Java tutorials codes using Apache Ant.