Fix header dropdown sign in form style
Merge pull request #1844 from ppasq/fixer

Fix header dropdown sign in form style
"Manage Layers" and "Replace this Layer" should not be available for remote service layers
Merge pull request #1845 from mbertrand/issue1832

'Manage Styles' and 'Replace this Layer' shouldn't be available for remote service layers
make search by title case insensitive
hide some fields from the layer metadata, fixes #1850
adding rule for controls>div
Merge pull request #1854 from Geode/geode_1853

adding rule for controls>div
Removed ubuntu version in pdf instructions
Merge pull request #1855 from al3mon/master

Removed ubuntu version in pdf instructions
add local geoserver to map thumbnail create
Merge branch 'master' of https://github.com/GeoNode/geonode
Updated changelog for version 2.4b5
For some reasons this file was not merged in PR #1811
Update views.py
Merge pull request #1868 from Geode/making-abstract-optionnal-for-external-catalog

as for wms, adding default value for catalog abstract field when creating catalog remote service (not null by datamodel)