Bug 916819 -  Change UserProfile.__getattribute__ to not depend on privacy_fields
[fix bug 939752] Update opensearch plugin.

- Update favicon
- Cleanup search syntax
- Use absolutify helper.
Fix bug 942348: Correct GitHub capitalization.
Merge pull request #727 from openjck/github-capitalization

Fix bug 942348: Correct GitHub capitalization.
Merge pull request #723 from glogiotatidis/939752

[fix bug 939752] Update opensearch plugin.
Bug 937729 - Add django compressor extension to Jinja extensions

This will teach Jinja about the 'compress' tag so it can parse
templates that use it when extracting strings for translation.
Merge pull request #728 from dpoirier/bug-937729-string-merge

Bug 937729 - Add django compressor extension to Jinja extensions