use decimal in update layers and bump minor version to 2.4
Updated changelog for version 2.4a5
fix remote services thumbnail creation
fixed layer id in remote service create thumbnail
Fix unclosed and orphaned markup elements.
Resource contact elements should not overflow the sidebar.
Apply more restrictive selector to date picker styling.
Allow profiles to be ordered by the username and join date.  Fixes #1608.
remove model translation version for now and add the fallback language setting
Merge branch 'master' of https://github.com/GeoNode/geonode
External service views should use consistent GeoNode style.
Fix typo in the service model.
Close an unclosed <ul> element in the layer_remove template.
Fix the travis error.
Fix layer lookup (specify service=None for local layers)
Added the --skip-geonode-registered option in updatelayers.
Don't cascade delete from geoserver for remote layers.  Fixes #1619, #1620.
Move the Register link inside of a navbar list.  Remove unneeded </ul> tag.
made some strings translatable
Merge pull request #1624 from menegon/translations

Made search strings translatable.