Civil tongue page additions.

Added civil tongue parsing to the following pages:

- Search results
- Activities
- Best of
- Categories (most recent discussion)
Civil tongue: Explicitly check to make sure a row is an object.
Civil tongue: Also clean up activity comments.
Merge pull request #72 from vanillaforums/hotfix/civiltongue

Add civil tongue to more pages.
Merge branch 'master' of github.com:vanillaforums/Addons into stage