Add the Land Use data source to the refactored init file.
Merge pull request #457 from NICTA/addLandUseRefactor

Add the Land Use data source to the refactored init file.
Report catalog errors to the user.

Previously, errors in both default and in drag/dropped catalogs were being silently ignored.
Fix jshint warning.
Fix another jshint warning.
Sort group items on load.

This only affects groups that are populated by loading, such as the CKAN, WMS, and WFS groups.
Make sort on load optional.
Merge pull request #458 from NICTA/sortOnLoad

Sort group items on load
Sort groups with explicitly-specified items, too.
Inform the user of tile failures and hide item.

Fixes #381
Merge pull request #459 from NICTA/sortExplicitGroups

Sort groups with explicitly-specified items, too.
Merge pull request #460 from NICTA/handleTileFailures

Inform the user of tile failures and hide item.
Clean up main.js.
Fix jshint warnings.
Lots of startup improvements.
Use new geoserver for Broadband catalog items.
Add underscores to Broadband layer names.
Passed tiled=true to Broadband WMS servers.
Merge pull request #463 from NICTA/mainCleanup

Initialization cleanup
Merge remote-tracking branch 'origin/master' into newBroadbandServer