Fixed tagging and coloring of ExpressionEngine comment blocks

Removed lines from tmLanguage module that allowed code contained inside
EE comment blocks to be incorrectly tagged and colored as active code.
Allow ExpressionEngine comments inside javascript blocks

Recognize and properly tag EE comments inside JS blocks of EE syntax
files
Allow JS files to be opened as ExpressionEngine

accept the JS extension in addition to php and htm
Allow CS files to be opened as EE

Since EE can create CSS files (that are saved as .js files) we might as
well add CSS to the list of supported file extensions