- continuing experimentation with basic ui elements:
 * attempting to make use of more up-to-date polymer ui elements
 * added use of font-awesome iconsets
 * added dialog/modal tests
 * added theme support
 * experimenting with layouts, basic features outlines
- now have a basic working version of polymer-font-awesome (aka core-iconset-font)
for support of font awesome icons cleanly in polymer ui elements
- further cleanups, refactoring
- added 'clearScene' method to visual editor
- updated bower dependencies (a bit of a mess , will need some cleanup