sherpany layout changes
Disable djangome support for now.
Return None in middleware
Do nothing.
Kill it at the URL level to preserve redirects
Commit full 404/500 pages.
Add better debug logging for CNAMEs
Fix doc-embed JS syntax
Fix syntax properly
Fix it both places
Add page on redirects we support.

Refs #565
Add warning
Fix wording
Add note about implicit redirects
Better URLs for pip as example project.

Old URLs made more sense in original text that used astropy as example.
Small rephrasing.
Merge pull request #566 from toffer/redirect-docs

More tweaking of the redirect documentation.
Added bitbucket.org urls, since they're the canonical ones anyway
Merge pull request #567 from DanielOaks/bitbucket-fix

Fix a bug with 'Edit on Bitbucket' with .org urls
Just use .org for bitbucket