Update to allow adding portlets to a tab from the options/go menu.
[Issue-15] Re-add the link to item.  Code clean up to make the channel id a bit easier to access.  Replace an alert() with a system error message.
[Issue-15] Minor updates based on code-review comments.
[UP-4235]  Fix based on code review comments.
[UP-4235]  Fix bug where renamed tabs do not show up correctly.  Added Backbone to the respondr skin.
Merge pull request #419 from jhelmer-unicon/UP-4235_marketplace_add_to_tab

UP-4235 marketplace add to tab