update menu and menu-item styling
update toolbar css
update font and padding in sidebar-menu
binds selectedItem to nav-arrow
polymer-ui-ratings
move polymer-ui-nav-arrow to its own folder
added polymer-ui-dark-icon and polymer-ui-light-icon themes
move polymer-ui-nave-arrow to its own folder
update module name
polymer-ui-toggle-button
update paths
polymer-ui-tabs; use Platform.flush instead of dirtyCheck; cleanup
workbench files
insertedinsertedCallback -> inserted; removedCallback -> removed
Merge pull request #3 from Polymer/master

6/17 master -> stable