Enhance project by adding Snipmate snippets and explanding file types to include CoffeeScript and HAML

 * Add MIT LICENSE and AUTHORS
 * Add snippets directory with blank _.snippets file
 * Move existing UltiSnips into UltiSnips directory
 * Copy UltiSnips files into snippets path, rewrite snippets with snipMate syntax and reformat code for consistency
 * Reformat code for consistency and fix spelling errors
 * Using github.com/angularjs-livetpls/angularjs-webstorm-livetpls as a guide, add comments for each HTML snippet
 * Translate JS snippets into CoffeeScript
 * Translate HTML snippets into HAML
 * Add UltiSnips haml snippets
 * Add UltiSnips coffee snippets
 * Update README to match new repository structure