refactored out unused Assignment#no_grouping_students_list method
Haskell highlighting
Fix up the brush
Merge pull request #1874 from david-yz-liu/haskell-syntax

Add Haskell syntax highlighting
Fix highlighting for multi-line haskell comments
Merge branch 'master' of git://github.com/MarkUsProject/Markus into removing-assignment-method
renamed graded_submissions to graded_submission_results
fixed hounci complaints
Merge pull request #1880 from david-yz-liu/haskell-syntax

Fix highlighting for multi-line haskell comments
Merge pull request #1886 from kubasub/rename-graded_submissions

renamed graded_submissions to graded_submission_results
Merge pull request #1885 from kubasub/removing-assignment-method

Removing assignment method