Refs #43 - Added JavaScript libraries for datamaps and scribbler
Refs #43 - WIP - Made a require config js file and homemap.js file that
load datamap requirements and create an exammple map respectively
Moved hard-coded map data into HTML. Made homemap js into a module with
an init() function. Renamed home-map.js to homemap_config.
Refs #43 - Improved some variable names and docstrings
Removed datamap call from home.js and renamed to main.js. Moved the
data-main declaration of custom require.config to base.html. Moved the
require call to load the homepage map to the home.html file
Refs #43 - Simplified JavaScript in home.html
Merge pull request #57 from rapidsms/feature/43-integrate-datamap-scribbler

Integrated datamap on the homepage with scribbler and require.js