Fix Bug 611853, change required=true to required=required to pass w3c validation
Fix bug 818323: Redirect vulnerability pages.
Revert "Bug 881754: Move firefox/new to bedrock for several locales."

Need to collect more data on conversion rates for es-ES before going
to prod with this.

This reverts commit 62464d5f130394c1aa14f7a29531563189b1bbc1.
Merge pull request #1024 from openjck/818323-vulnerabilities-redirects
Merge pull request #1011 from ossreleasefeed/bug611853-plugincheck-should-validate
Update phone screen animations. Bug 878871.
Merge pull request #1016 from jpetto/bug-878871-update-phone-screen-animation

Update phone screen animations. Bug 878871.