added config->info and system-suppress_language options to the admin panel
clear_cache() check if cache dir is writable before opening it
Merge pull request #791 from fabrixxm/quietcron

clear_cache() check if cache dir is writable before opening it
quattro theme update:
icon and notification for introductions
icon and notification for private messages
correct link to edit profile with single profile enabled
quattro theme: version bump
Merge pull request #793 from fabrixxm/quattrofixs

Small updates to quattro theme
Merge pull request #789 from tobiasd/20131020

added options to admin panel
Merge pull request #792 from annando/master

Bugfix: The function "exif_imagetype" doesn't seem to be available at every system. So we emulate it.
getOffset() now falls back to old slower version for CSS layouts which cannot figure out bounding box widths. This fixes the photo and attachment upload buttons for some themes such as vier.
Updated minified version of ajaxupload.js.
Merge remote-tracking branch 'upstream/master'
Merge pull request #794 from msjoberg/master

Fix for unworking photo and attachment upload buttons in some themes such as vier
Merge remote-tracking branch 'upstream/master'
BBCode: When converting to HTML for the connectors, then videos are now converted in a regular link (there were problems with some vanishing video links)