Rendering code blocks with CoffeeScript highlighting if the file is of type .litcoffee; closes #129
removed accidentally duplicated code
using atom.syntax.selectGrammar to check for a grammar with a scope name of source.litcoffee
Use path data attribute on element
:lipstick:
Use grammar from editor when available

Saves an attempt to reselect the grammar by simply using the grammar
of the editor being previewed.