SECURITY: fix XSS when expanding quotes
FIX: Home key was broken due to some HTML changes
If both GA endpoints are provided, don't use both.
FIX: category_list_spec would sometimes fail. It was passing only by luck.
FIX: displayErrors is undefined in flags.js controller
FIX: Don't track pageView on initial load. Let the router signal that.
Copy: Change {x} new topics -> {x} new posts
Merge pull request #2373 from riking/patch-2

Copy: Change {x} new topics -> {x} new posts
Merge remote-tracking branch 'upstream/master'