Move JS files to outside of the static directory

JS will be bundled into one file which will be placed in static/js/

Because of this, there is no need to put any JS files into static/js/
as none of the original source files will used on the client
Remove libraries which are brought in by npm install.
Update OpenLayers to 2.13 and move to shim directory
Add JS libraries which used to be included via <script> tags
Add Gruntfile to bundle JS files
Modify JS and HTML to use CommonJS style modules
Add explanation of JS structure to readme
Add default Grunt task to fabfile.py
Removing blend from requirements.txt
Separate bundling and django collect static commands
Add jshint to grunt and fabric
Update README.md
Merge pull request #96 from maurizi/topic/gruntBrowserify

Topic/grunt browserify