made the example consistent with the fuction definition and improved doc

Signed-off-by: Han Qiang <a0byte@gmail.com>

Added extra information for fitEllipse, minAreaRect and addapted ellipse &
ellipse2Poly parameter description.

Changed the brief description of function Mat::colRange from "Create a matrix header for the specified row span." to "Create a matrix header for the specified column span."

ReST directive was used. Also fixed some other ReST directives that were
not correct and removed some warnings during buildbot checks.

- Used lunix style slashes - works on most systems
- Removed all trailing whitespaces

Since commit d8417af0 (July 2011) cv::compare produces an array with
the same size and type as the input arrays.
Signed-off-by: Michael Hanselmann <public@hansmi.ch>

It was just a typo in the documentation.

Remove weirdo unicode – and just use a normal -(cherry picked from commit 0d49de51)

OpenCV build information output to logcat added to OpenCV initialization code;
Documenation for cv::getBuildInformation() added.

Invalid links and refences fixed.
SpaeseMat class documentation updated.

All errors were found by doc/check_docs2.py

This reverts commit 54a202b3.

Conflicts:
	modules/core/doc/command_line_parser.rst
	modules/core/include/opencv2/core/core.hpp
	modules/core/src/cmdparser.cpp
	modules/gpu/perf/main.cpp
	modules/gpu/test/main.cpp
	modules/ts/src/ts_perf.cpp

This partly reverts commit 6ca61827.