Merge pull request #499 from rashidkpc/master

Spencers cache busting tweaks, fix for map panel path
Updating dist
Merge remote-tracking branch 'upstream/master'
Fixed path to script dashboards
Fixed the loading of the dashboard scripts, feeding them the needed args and fixing the path that they are fetch from.
Merge pull request #502 from spenceralger/fix-js-dashboards

Fixed dashboard scripts
Merge remote-tracking branch 'upstream/master'
Added filesaver module to dashboard service. Closes #503
Added seperate grunt task for LESS default build