[CDF-331] - Removed unused NavigationComponent.ext.js
[CDF-331] - Fixed OpenLayers style.css dependency and standardised JS lib's CSS dependency references
[CDF-331] - Removed redundant references to jquery.tooltip from component require headers
[CDF-391] - Prettified var names and fixed refresh button popup highlight effect
Merge pull request #285 from afrjorge/require-js

[CDF-328] - Add support for Require.js in CDF