upgrade to jQuery UI 1.10.3
remove obsolete toolkit directory
include all Web Component dependencies inside HTML Import
use ui-bootstrap theme images in Web Components jQuery UI
remove jQuery UI datepicker from Web Component version
Merge branch 'wc' into 0.9

Conflicts:
	dist_wc/x-handsontable.html
	dist_wc/x-handsontable/jquery.handsontable.full.css
	dist_wc/x-handsontable/jquery.handsontable.full.js