Add configurations to let the GeoNode admin to select which data and metadata formats are available for donwload.
Importing the settings from correct location and removing an unused import.
Merge pull request #1358 from capooti/available-download-formats

Let the geonode admin to configure data and metadata download formats
s/geopython.github.com/geopython.github.io/
s/geopython.github.com/geopython.github.io/
Default a new GeoGit repository's branch to master.
Fixed some broken link in help page.
Update setup.py
Fixed the DOWNLOAD_FORMATS_RASTER setting.
Merge branch 'master' of github.com:GeoNode/geonode
Now it is possible to add multiple keywords when using importlayers. Fixes #1361.
Merge pull request #1363 from capooti/issue-1361

Now it is possible to add multiple keywords when using importlayers
Merge branch 'master' of https://github.com/GeoNode/geonode