Improved removeSpareOperators function in OperatorNormalizer.
Added tests and implemented ScriptNormalizer.
All project tests are now functional.
Merge branch 'master' of https://github.com/formanek/MathMLCan.git
Test of properties overriding
Merge branch 'validate-config'
Command line interface
Go back button
Merge pull request #10 from jakubadler/master

MrowNormalizer refactoring
Merge pull request #11 from RobSis/validate-config

Test of properties overriding
Merge pull request #13 from RobSis/gui

Go back button for GUI
Merge branch 'commandline' of https://github.com/RobSis/MathMLCan
Refactoring
Distribute licenses.
Docbook added.
Merge pull request #14 from RobSis/documentation

Documentation