* remove old BUILD_opencv_java option

* replace old build_java option with new BUILD_JAVA option

* removed private flann documentation
* common tutorial images moved to doc/images
* grouping issues

Found via `codespell -q 3 -S ./3rdparty,./modules -L amin,ang,atleast,dof,endwhile,hist,uint`

backporting of commit: 32aba5e6

- replace tutorial links via docs.opencv.org
- remove link on OpenCV 2.4
- avoid links on outdated packages

Must have that flag. Otherwise following "doxygen overview" tutorial won't work.

OpenCV 3.4.5

OpenCV 3.4.4

except header file with conversion routines (will be removed in OpenCV 4.0)

* Added a mall note describing BUILD_opencv_world cmake option to the Installation in Windows tutorial.

* Made slight changes in BUILD_opencv_world documentation.

* Update windows_install.markdown

improved grammar

OpenCV 3.4.3

Found via `codespell -q 3 -I ../opencv-whitelist.txt --skip="./3rdparty"`

OpenCV 3.4.2

Add LD_PRELOAD instruction to be able to run Java code that calls OpenCV functions that use the Intel MKL library.

project is not active anymore

OpenCV 3.4.1

Found via `codespell -q 3 --skip="./3rdparty" -I ../opencv-whitelist.txt`

OpenCV 3.4.0-rc

OpenCV 3.3.1

Additionally adds a tutorial on how to use the tag file in other
projects to link back to the OpenCV documentation.

The tutorial is also the only place which links to the tag file as of
now.

For more information on tag files and external documentation, check
https://www.stack.nl/~dimitri/doxygen/manual/external.html

Oops. Hopefully it works this time.

update

add anchor

* Adding CMake script to check if pylint is installed
* Adding Pylint config file (to choose the tests that are enabled)
* Adding CMake script to samples/python/tutorial_code

Testing: bad-indentation, mixed-indentation, unnecessary-semicolon, unused-variable

* change tutorial to use enum name instead of value

* use enum name instead of value

Update windows_install.markdown (#8752)

* Update broken downloads link

* Update broken downloads link

* Update broken downloads link

* Update linux_install.markdown

Grammar improvements, fixed typos.

* Update tutorials.markdown

Improvements in grammar.

* Update table_of_content_calib3d.markdown

* Update camera_calibration_square_chess.markdown

Improvements in grammar. Added answer.

* Update tutorials.markdown

* Update erosion_dilatation.markdown

* Update table_of_content_imgproc.markdown

* Update warp_affine.markdown

* Update camera_calibration_square_chess.markdown

Removed extra space.

* Update gpu_basics_similarity.markdown

Grammatical improvements, fixed typos.

* Update trackbar.markdown

Improvement for better understanding.

- disabled OPTIMIZE_OUTPUT_JAVA
- filtered out *.m scripts
- removed link to old Sphinx documentation
- replaced all mentions of Sphinx with Doxygen