Added possibility to duplicate a theme
Fixes comments
Merge branch 'upstream/feature'
Recount Private Messages
MyBB Docs Link on Admin CP Dashboard

This adds a link to the MyBB Documentation in the Quick Access sidebar
on the Admin CP Dashboard.
Replacing Typeahead by Select2

User CP - Edit Lists
Select2 JS + CSS
Fixes Quick Edit and Quick Reply bugs
Not necessary to sanitize message

It seems Jeditable already sanitizes it when it grabs the data from
xmlhttp.php and puts it into the editable field - "content" would become
&amp;quot;content&amp;quot; instead of "content" in the text area.
Improve user overview

 - Adds extra number formatting to post count/posts per day.
 - Shows both time and date for user's local time.
Fixes incorrect regex
Updated language string
Merge pull request #132 from PaulBender/feature-pmrecount

Recount Private Messages
Fixes #117 tcat image too short
Remove non-functional button
Convert Mass Mail javascript to jQuery
Add "Run Task" to task options

@labrocca pointed out he never realized the icon was clickable so this adds a "Run Task" link to the Options popup menu.
Rewrite checkAction() function (jQuery)
Remove duplicate language variable
Fix captcha refresh
Cleanup TODOs