adds missing select2 images to repo. closes #1023
Merge pull request #1027 from cspanring/patch-1023

adds missing select2 images to repo. closes #1023
adds regex to grunt and fixes CSS image urls
Merge branch 'master' into grunt

Conflicts:
	geonode/static/gruntfile.js
remove obsolete css/*.png|gif
adds lib/img/spinner.gif to repository
add spinner.gif to gruntfile
Merge pull request #1028 from cspanring/grunt

adds regex to grunt and fixes CSS image urls to use one consistent path (lib/img)
cleanup: removes obsolete bower-installer config
Safely check settings for DEBUG_SETTINGS.
Merge pull request #1029 from cspanring/grunt

cleanup: removes obsolete bower-installer config
Merge pull request #1030 from garnertb/master

Safely check settings for DEBUG_STATIC.
Running paver update_static changed the files in my local checkout. I am committing them assuming they are newer
The post_delete signal should only delete the default_style if the style is not linked to any other layers.
Merge pull request #1031 from garnertb/master

The post_delete_layer signal should only delete the default style if the style...
Fixed test failure and improved post_delete_layer logic.
Merge pull request #1032 from garnertb/travis_fix

Fixed test failure and improved post_delete_layer logic.
Merge branch 'master' of github.com:GeoNode/geonode