Fix #1617: MySQL version requirements message is confusing
Merge pull request #1637 from mahagr/master

 Fix #1617: MySQL version requirements message is confusing
Merge pull request #1638 from coder4life/master

Fix #1632 K3.0/J3.0/J2.5 Backend: Fix smilies delete not working.
Merge pull request #1639 from coder4life/master

Fix #1629 K3.0/J3.0/J2.5 Backend: Fix config report template issue and spelling mistake.
 #1385: Fix Recent Topics / Unapproved Topics notice
Merge pull request #1640 from mahagr/master

Fix #1385: Fix Recent Topics / Unapproved Topics notice
J25: Update PHP Less Library.