Quick search 5.8

Quick search v2.8 changes:

Fix issue dealing with typing too fast and having the results drop-down not display.

Quick search v2.7 changes:

Now starts search after first character is entered.

Quick search v2.6 changes:

Improved code to eliminate 404's.

Quick search v2.5 changes:

Added Exclude resource category to Options page.

Quick search v2.4 changes:

Unapproved resources will no longer appear in results.

Quick search v2.2 changes:

Quick search in thread view searches thread titles from same forum.

Quick search v2.1 changes:

Exclude forums in the Options page now properly hides quick search box in selected forums.

Quick search v2.0 changes:

Added quick search to thread view.

Quick search v1.9 changes:

Updated template modification to ensure quick search box is always directly above node list.

Quick search v1.8 changes:

Added version number to resource manager quick search results.