Added dartlint.py
Took out the annoying error dialog output and fixed settings
Resetting to match upstream
Merge branch 'master' of github.com:dart-lang/dart-sublime-bundle
Created a severity filter for when to show a popup.  (default level is WARNING)
Rebased from upstream
Documented new setting in README
Merge pull request #56 from jedijester/140507-SeverityFiltering

140507 severity filtering