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
 * 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

**NOTE:** On GitHub, I edited the repo's name to match the new structure.  Also, I modeled our repo after [honza/vim-snippets](https://github.com/honza/vim-snippets).  We can discuss contributing this work to honza/vim-snippets.