fixes toggle_mod_tools undefined error
clicking the pagination block no longer sends page to top
search icon should be hidden-xs
Merge pull request #763 from bdharrington7/master

added login register selectors to close the nav when clicked
closed #764
fixed #756 - sequestering Notifications and Chat DOM functions in their module, and not in footer
added classname to chat dropdown if there are no chats
fixed #710 - added labels to the top bar (update vanilla!)

merged "loading" and "more_posts" in topic i18n data, changed behaviour so that on mobile, only the spinner shows.
linting and adding missing require'd dep
who needs recursion, bitch?

- enhanced socket abs layer so that a method call of infinite depth is supported (theoretically).
fixed active users socket calls in ACP
linted socket/admin.js
moved groups admin socket calls into admin file instead of standalone groups file
closed #733 - after upgrade script, all users will be in a system "registered users" group
closes #767
fixed mobile search link
added error check to setOnEmpty
removed reds from install.js
added back search limiting
makes recent unread and category pages a lot faster, added logging when a user changes their username