Approval queue tools 1.5

Approval queue tools v1.5 changes:

Now run by adding /approval-queue/tools to your URL.

Approval queue tools v1.4 changes:

Compatible XF 2.x versions: 2.3

Approval queue tools v1.3 changes:

Added Limit to options page.

Approval queue tools v1.2 changes:

Added permission to template modification to only show Approval queue tools button if moderator has specific permission to this add-on.

Approval queue tools v1.1 changes:

Fixed issue with code overwriting default function.