Remove the GeoNode projects page from the documentation and redirect links to geonode.org/gallery/.  Fixes 1147.
Merge pull request #1292 from garnertb/issue_1147

Remove the GeoNode projects page from the documentation and redirect lin...
Update javascript in GeoNode page to reflect current static setup.  Fixes #1175.
Fix TIMEOUT typo in the settings documentation and specify the time units as seconds.