add documentation
edit image size
add new version of documentation
add image
Merge branch 'master' into FadeColor-documentation
corrected documentation
delete image
delete image
Fix latex/pdflatex documentation makeup issues
Merge pull request #28 from druzhkov-paul/latex_documentation_fix

Fix latex/pdflatex documentation makeup issues
Merge pull request #26 from DolotovEvgeniy/FadeColor-documentation

Fade color documentation
Add 2 new files and modify photoeffects.hpp
edit merge conflict
changed vignette_test.cpp
modified 3 files
Vignette implementation
modified vignette implementation
Added warmify implementation and 2 files of rst-documentation
Changed photoeffects.hpp and vignette.cpp
deleted 3 files