Doc fixes in jqc.Container and jqc.tabl.Tab.
Merge branch 'master' of https://github.com/gregjacobs/jQuery-Component
Fix `sumSides()` method in jqc.util.Css to handle IE8 and below returning values like "auto", "thin", "medium", "thick" for padding/margin/border sizes.
Remove debugger statement in HBox layout.