guard against permission denied errors
reading from /proc/<pid>/smaps is not available inside of Docker container
TWEAK: Sum new and unread in the site map category list
FIX: Clicking on "view latest topics" in a forum with few topics was
broken.
FIX: Category logos were improperly sized on mobile
FEATURE: restructure notification HTML layout
add Building Your Community section to Quick Start
FIX: catch specific exception
FIX: don't maintain list ordering when grabbing topics, trust server
FIX: system badges where created under id 100
FIX: reverse insert order when grabbing new topics
making menu accessible on mobile when in desktop mode
Merge pull request #2623 from awesomerobot/master

making menu accessible on mobile when in desktop mode
Merge pull request #2622 from gschlager/fix_memstats

handle permission denied errors
FIX: base keyboard shortcuts on touch vs no touch.
Always show toggle in mobile theme
FIX: never cache ajax GET requests unless specified
By should never appear in translation file like this

connectors can not be translated without context.
admins don't need to be told to click buttons yo
convert space to plus for invite email parameter
Enable RTL direction in emails.