demo(all): indicate that we depend on AngularJS 1.2.x
chore(conventions): EditorConfig for consistent coding styles

Closes #1609
feat(accordion): support `is-disabled` state

Closes #1126
style(all): enforce single quotes

Closes #1608
chore(jshint): move JSHint configuration to a .jshintrc file

Closes #1613
feat(tabs): makes deselect callback fire before select. fixes #1557.