avoid broken min/max macros from tesseract headers

If the disparity maps have the depth CV_32F, they are wls-filtered
in `DisparityWLSFilterImpl::filter` but the result is not saved in the
OutputArray of the method. Now, the result is copied to that array.

Minor changes to the quality module to support Visual Studio 2013 (#2046)

* quality: revise syntax to support Visual C++ 2013

* quality: changes to standardize constness between Visual C++ 2013 and other compilers

Updated to use OpenCV ML, removed libsvm.  Updated model, tests and documentation.  Provided cpp samples for model training and evaluation.

Fixes for warnings

Improved BRISQUE documentation

Fixed documentation typo

Minor edits

minor edits

double* to vector<data>

Updates: BRISQUE and Python

Added BRISQUE and Python Samples

Minor edits

Final edits: BRISQUE

Final edits: BRISQUE

Copyright notice added

deleted .vscode

Warnings rectified. Added CV_Assert

Final Commit: BRISQUE

Removed whitespaces. Corrected array initializations and override warnings

Removed whitespaces

Resolved array initialization

Override warning

Mac build resolved

Added bibliography and corrected Mac/Android/iOS warnings

Rollback changes

Added BRISQUE bib

Solves Mac/iOS/Android warnings

Removed trailing whitespaces

Updated sample code for BRISQUE C++

Fixes for Win32, Win64

Warnings removed

trailing whitespaces

Trailing whitespace removed

Set BRISQUE expected scores from original impl

Added BRISQUE models and interface, test methods

[alalek] drop changes from libsvm files

* Fixed bug that made cuda::filter give corrupted output when different filters called in different threads. This was due to use of global texture variable shared by all filters.

* REV: fixed tab issue for opencv coding style...

original commit: https://github.com/opencv/opencv/commit/8158e5b7a0000ff1a6f7d65763d2b1605844ba46

or with batch rendering

original commit: https://github.com/opencv/opencv/commit/a54affeb8d9bb52b43228fa89ca31c68ff088202

  * update the coefficient value

original commit: https://github.com/opencv/opencv/commit/5a2faab2e617dcf476f4955cf748e514242e2962