Add handling for coffeelint warnings.  Minor fix for errorformat.
Pylint: ignore informational messages.
Make csslint executable configurable.
Make jshint executable configurable.
Make expand special characters in g:syntastic_haml_interpreter.
Haskell cleanup.

Make the "compressWhitespace" filter kill \001 characters.
Make the ghc-mod checker use the "compressWhitespace" filter.
Minor formatting of the hlint checker.
Leftover from 7eda5de.  How embarrasing.
Coffeelint: Fixed errorformat, last line is optional