use internal location where possible
fix thumbnail and links
CSS and JS cleanup in in the map_download template.
Set up all template strings for translation.  Fixes #617.
Add --remove-deleted option to updatelayers.  Remove layers from GeoNode that no longer exist in GeoServer (incl --skip-unadvertised filter). Log results in stdout and debug logs
Modified logic for GeoServer layer comparison for marking valid GeoNode layers
Streamline debug logging statements for GeoNode resource comparison with GeoServer, cleanup
One more debug logging line for better reporting in matching iteration
Merge branch 'master' of https://github.com/GeoNode/geonode into issue-809

Conflicts:
	geonode/layers/models.py
fix the maps thumbnails internal url
Merge pull request #1252 from simod/issue-809

Use OGC_SERVER.LOCATION for internal communication
Updated changelog for version 2.0c2
Pegging the setup.py file to Django 1.5.4.

With 1.6 out Travis is trying to use it
Django 1.5.5 is already out
use public url in the map download page
use an initial query in search
Merge pull request #1255 from simod/issue-1254

use an initial query in search
Added fixsitename command, refs #498
Added fixsitename call to updateip, fixes #498
Fixed missing thumb behavior, fixes #998