closes #2191

added unique visitors analytics
only update it every hour
fix status if it was never set before
removed duped banned, its in user:banned
i fail at this
fix panel layout on dashboard
removing the welcome to nodebb panel because...

Well we only originally put it there because we didn't have anything
useful to show on the homepage initially.  Now we have STATS
didn't realize mousetrap was being used elsewhere in the code, added back to client again
migrating categories to new partial templating #2230
read both
sort plugins alphabetically
send array of posts
migrating home page to new partials #2230
fixed other post
migrating infinitescroll #2230
migrating tag editing #2230
closes #2230

and I actually tested every single one. go me!
#2110
removed admin/footer.js, moved code to admin.js instead
moved admin search into its own modules
closes #2251