Related Threads - display similar threads on new topic (AJAX)

This plugin checks to see if there are already similar threads when we write new topic (using AJAX).
If yes, we can simply check them.

Admin can configure:
Additional (X)HTML code before related threads list (in global template)
Fulltext / LIKE search mode
Minimum length of phrase
Open links on new / the same window or tab
Excluded forums
Excluded words
Search on the same forum
Max search threads age
Display forum info
Delay from press last key to search
Change all plugin templates