added synonym CV_COMP_HELLIGNER for CV_COMP_BHATTACHARYAA to reflect the real formula used (bug report #2073)

Fixed several false-positive warnings in rst_parser.py. (Now it detects 553 undocumented parameters for #1205.)

added DIST_LABEL_PIXEL labelType to distanceTransform, ticket #1641 (thanks to Mikhail Matrosov for the patch)

lot's of changes; nonfree & photo modules added; SIFT & SURF -> nonfree module; Inpainting -> photo; refactored features2d (ORB is still failing tests), optimized brute-force matcher and made it non-template.

updated links in cheatsheet
renamed directory for Mat tutorial 
changed links from willow docs to opencv.itseez.com, from Trac to current Redmine

changed OpenCV version to 2.3.2

* Fixed display of struct and class definitions (except classes with base class specified).
* Fixed formatting and referencing errors in several documentation files.

fixed and improving formatting in opencv2refman.pdf. added support for n-channel mask in Mat::copyTo() and n-channel images in cv::compare(). fixed 2 compile warnings in opencv_python.

* Added manual port for getTextSize;
* Fixed bugs in "native camera" sample;
* Added 15-puzzle sample.

fixed "import cv" in the new python samples. corrected Python bindings to match the documentation and vice versa (NOTE: in cv2.stereoCalibrate the parameter ordering has been changed)