Don't include a SECRET_KEY in the repo

This key *will* be used as-is by newbies.
Force people to create a new key.
Wrap long lines, punctuate consistently (full stops)
Tidying docs

Wrap long lines, tweak some markup, add some TODO notes,
got rid of some sphinx warnings.
Wrap long lines, punctuate consistently (full stops)
Tidying docs

Wrap long lines, tweak some markup, add some TODO notes,
got rid of some sphinx warnings.
Merge pull request #1604 from jean/doc-edits

Doc edits
Revert commits moved to no-secret-key and doc-edits branches
Merge branch '2.0.x' of https://github.com/GeoNode/geonode into 2.0.x
Merge branch '2.0.x' of github.com:jean/geonode into 2.0.x
Conflicts:
	README
Merge 2.0.x branch
Merge branch '2.0.x' of github.com:jean/geonode into no-secret-key

Conflicts:
	README