fixes #1384 prevent xss attack in app title, also did a first pass of where we can use textContent in place of innerHTML
Updats to bundles
Bundling popcorn.js
Garbage icon deletion fix

1. Added detached function to ceci-element-designer.
2. attached/detached use bound cleanup function to do element removal.
Merge pull request #1709 from secretrobotron/t1708

Garbage icon deletion fix
Re-bundling
Merge branch 'develop' of github.com:mozilla-appmaker/appmaker into develop
Merge pull request #1666 from ScottDowne/t1384

fixes #1384 prevent xss attack in app title, also did a first pass of wh...
Added hover tooltips for brick descriptions and thumbnails.