Fix typo in 'alert summarization' phrase
Fix XF2.1 summarized/grouped alerts support
Add missing phrase in XF2.1
Remove use of get_lock which is unsupported in galera clustering, and causes errors in Percona XtraDB Cluster.
Fix XF2.1 adding options to account preferences page
Support for upcoming Report Improvements for XF2 add-on
Support for XF2.1 and XF2.0
Support Content Rating 1.3.x
Requires minimum version of Content Rating 1.3.x+
Does not yet support XF2.1
Support for Conversation Essentials for XF2
Minimum XF2 version is now 2.0.10
Support Live Content (Thread/Conversations)
Remove usage deprecated array_column wrapper function
Fix that content link in summary alerts could not be clicked in alerts pop-up due to CSS styling.