Checkin bower_components to source control

This is so builders don't have to run bower install, and
also so builders and developers are sure they are using the exact same
versions of dependencies.
Properly destroy lbJsonEditor element
Merge pull request #36 from alechenninger/bower-components

Checkin bower_components to source control
Merge pull request #37 from alechenninger/destroy-element

Properly destroy lbJsonEditor element