Bug 829990: Fix tabzilla css for local development.
Merge pull request #597 from Sancus/master

Bug 815908 newsletter form for hacks.mozilla.org
Bug 815908: Add frame busting target to newsletter privacy link.
Bug 815908: Remove frame-options header from hacks newsletter page.

The sole purpose for this page is to be framed at hacks.mozilla.org.
Fix width of country selector on hacks.mozilla.org form Bug 815908