reported content now uses new core language strings
thewire now uses new core language strings
uservalidationbyemail now uses new core language strings
logrotate now uses new core language strings
blog now uses new core language strings
bookmarks now uses new core language strings
diagnostics now uses new core language strings
file now uses new core language strings
embed language string no longer used
groups now uses new core language strings
use a core language string for no results
members now uses new core language strings
messages now uses new core language strings
use generic sort language strings
moved group_activity widget from dashboard to groups plugin
removed pushing widgets context as a widget is already in the widgets
context
always show text if there is no group selected, no need to check if can
edit widget
sanitize int for group guid
Merge pull request #5914 from jdalsem/#5909-group-activity-widget

#5909 move group activity widget to groups plugin
Fixes #5504 - Linkify headers in group modules