fixed cmd parser when arg is like -+
Fix ocl::calcHarris not support CV_32FC1 bug.
A minor fix.
Fix merge conflicts
Fix the whitespace warning.
Slight modification to example code for FLANN matcher with comment on #3344
Replaced code in .rst file with literalinclude as suggested
Added fixes mentioned in bugreport 3306
- Added author provided fixes
- Added code example
- Added documentation fixes
Applied feature #3375 and fix of pull 1842 to avoid merging problems later
modified HoughCircleDemo to introduce variable params via trackbars

Conflicts:
	samples/cpp/tutorial_code/ImgTrans/HoughCircle_Demo.cpp
improved error handling
fix typos
fix indent
Build error fix for binary-complience-checker tool.
Merge pull request #1875 from asmorkalov:android_bin_compat_fix
Merge pull request #1849 from StevenPuttemans:feature_3375_documentation
Added extras to traincascade functionality
Fixed minor documentation typo

In section "How do we get an Affine Transformation" subsection 2 there was a ' where there should have been a ` which caused the math to be rendered incorrectly.
Merge pull request #1877 from tim36272:patch-2
Merge pull request #1858 from StevenPuttemans:updates_traincascade