Work on Responsive header
Merge branch 'master' of https://github.com/GeoNode/geonode into fixer

# By state-hiu (4) and others
# Via Simone Dalmasso (2) and others
* 'master' of https://github.com/GeoNode/geonode:
  added update button to top.  Updated page headers for documents and maps
  Update ec2.py
  Updated changelog for version 2.4b4
  show categories if they have records
  Fixes #1835
  whitespace fixes
  fixes #1830
  Added support for i18n
  Updated changelog for version 2.4b3
  Restored the notification app and adding some more notification types

Conflicts:
	geonode/templates/base.html
fix the document upload link to resource