Move the Ajax petition search out into a separate JS file so we can reuse it easier in other places
Refactored JS, removed (most) references to tabs - if we ever need tabbed functionality in the TinyMCE widget this is the commit to come back to. Today is not that day.
Added ajax petition searching to the widget, refs #3
Add a very basic caching mechanism to reduce the number of ajax calls we have to make
Add a non-core loading gif (though it's the same as core's loading.gif)
Clear search results when the term is empty
Widgets should still truncate the description for our default scripting, refs #3
Pull back the amount of styles imposed by the plugin so that it will fit better into user themes; added print styles