Merge pull request #2 from RobSis/master

Comments ignored, added attributes whitelisting.
MrowNormalizer implementation
Merge pull request #3 from RobSis/master

Configuration improvements
Added tests for MrowNormalizer
Updated .gitignore
MrowNormalizer - added test for nested parentheses
Merge pull request #4 from jakubadler/master

MrowNormalizer implementation (erroneous) + tests
XML configuration rethinked