- various structural and cosmetic updates to design dashboard:
 * now using polymer core elements instead of polymer-ui elements when possible
 * structure cleanup
 * css cleanup and styling improvements
 * moved out a lot of the styling to external stylesheet
- removed uselessly verbose console.logs
- more work done on usco-base-ui:
 * improvements to basic interface: main menu bar, tooltips etc
 * started integrating design dashboard
 * more styling updates
 * fixes and improvements to dialogs & iconsets
- expanded notes about variants and features:
 * more detailed breakdown of what features/ "components" each of
the variants of usco would need