Merge pull request #169 from retornam/b2gredirect

Adding redirect check for /b2g to /partners
Updated URL for tabzilla join link. Bug 846063.

Associated with PR:
https://github.com/mozilla/bedrock/pull/685
Merge pull request #171 from jpetto/master

Update test for upcoming link change
Adding tests for sections of DNT page

Adding tests for sections of DNT page
Merge branch 'upmaster' into dntpage