[BONOBO] Ajax teams search in Rounds view.

In addition:
 + Some refactor (new method isPreliminary in round - there is no need for instanceOf)
 + Bug fixed (No finished tournament info)
 + Added TournamentStatus enumeration
 + Added Eliminated Teams section in Rounds view
 + Changed focus and added ENTER listening in Start tournament modal window
Speeding up server requests.

 + Decreased time of server's HTTP responses for most of requests.
 + Optimizing DB queries.
 + Persisting new data.
 + New functional logging mechanism.