Merge pull request #1 from simod/master

update to the new geonode settings structure
bump to 2.0.b52
Merge pull request #2 from matley/bump-2_0_b52

Update required geonode version to 2.0.b52
missing .exists() method call in dir existence check added
Merge pull request #3 from nastasi-oq/master

missing .exists() method call in dir existence check added
Merge branch 'master' of https://github.com/GeoNode/geonode-project into simplify

Conflicts:
	setup.py