add boost_color.rst
Add doc for boost color function
add example
replace if-else parameters verification with CV_Assert
remove dummy sepia test
add test for improper arguments in sepia function
correct coding style a little bit
edit sepia test to fix clang warnings
Correct documentation, rename function
add macros to test if expected error is thrown
Merge pull request #33 from druzhkov-paul/sepia_asserts

change verification of parameters and mechanism of failures testing
Merge pull request #29 from stragger/boost_color_documentation

"Boost color" filter documentation
add documentation for glow function
fix list
fix error with equation
fix list
add default value for sigma
Images to the sepia documentation were appended.
Merge pull request #44 from valentina-kustikova/sepia_docs_fix

Add images to Sepia documentation
Merge pull request #36 from stragger/glow_documentation

Add documentation for Glow function