Trim non-required left-joins when generating the eager join inner query
Improve how the 'node type' cache is extended to be more resilient.
Extend node list loading code to reduce query count on viewing the forum list or a forum with child nodes.
Removes 2-4 queries depending on the number of unique node types (forum/link forum/category/page/etc) in the node list.
Avoids sending a potentially huge list of node ids into MySQL queries for node type's extra content.
Add resource icon
Cleanup phrasing and allow "-1" for various thresholds to actually disable things.
Support extending member list.