Rename overloaded method get in LocationResource to getLocatedLocations

Swagger generated two html elements with the same id. This caused its UI
to open the first when the second was clicked.
Submit effector args as strings. Fixes #774.

EffectorResource receives them as a Map<String,String> anyway.
Adds brooklyn.js, for interactive js gui configuration.

Allows periodic callbacks to be paused.
Update jsgui libraries

* Backbone 0.9.2 -> 1.0.0
* Handlebars 1.0.0 rc 1 -> 1.0.0
* text.js 2.0.3 -> 2.0.6
jsgui: Delete unused CSS file
Get rid of stacktraces in jsgui build output

They're caused by requests the client fires off to load various bits
of entity data from URLs that don't exist. This workaround sets the
appropriate functions to have no effect, so the requests are never made.

Culprit views: ApplicationTree and EntitySummary.
Make json-formatter a module in require.js format.
Kill _.defer in a few jsgui tests too for clean build
Test brooklyn-utils.roundIfNumberToDecimalPlaces and remove unused Util function
Revert Handlebars version change in d0f9bef9cb

Current Swagger version is incompatible with handlebars v1.0
Merge pull request #780 from sjcorbett/more-web-enhancements

More web enhancements