Revert "Revert "Move localhost refrences to duckduckgo.com in preparation for launch.""

This reverts commit 16d683bbf69a92ff936c3bec1b16ab77dc8098ae.
Rotten Tomatoes: Remove unused CSS
Merge pull request #780 from duckduckgo/jag/github

Various footer fixes for mobile
Merge pull request #779 from duckduckgo/jag/xkcd-2

xkcd: fix #777
plos: larger mobile font
sound cloud: filter by number of likes
sound cloud: add api check
sound cloud: check filtered result array
Merge pull request #791 from duckduckgo/jd/plos

PLOS: larger mobile font
Merge pull request #789 from duckduckgo/jag/rotten

Rotten Tomatoes: Remove unused CSS
Merge pull request #778 from duckduckgo/jd/randnum

Random Numbers: using the text template
Hayoo: Fix #787
sound cloud: filter out results in normalize
GitHub Jobs: Limit the location to one line.
sound cloud: change spice failed
Detect Language: Set `signal` to `high`.
Merge pull request #793 from duckduckgo/jag/github_jobs

GitHub Jobs: Limit the location to one line.
Merge pull request #792 from duckduckgo/jag/hayoo-fix

Hayoo: Fix #787
Merge pull request #794 from duckduckgo/jag/detect-lang

Detect Language: Set `signal` to `high`.
forecast: simple filter for color temperature style queries, could be better