Deleted *moved* code (now in navajo.api)
Remove the preCheckRequest method. I don't think it's the way to go and
it wasn't used anywhere.
clean up
Also remove the checkNavajo method. I don't think it's the way to go
and it wasn't used anywhere.
Respond clearer to missing schedulers
Refactor to be more suitable to message queueing patterns
swapped order. Submit to pool is the *last* think the servlet does,
after that it requires no more interaction from here.