Merge pull request #529 from shaitan/routes

Python: speeded up elliptics.RouteList initialization.
net: setup state epoll_fd before sending AUTH

Auth commands was sent before state epoll_fd setup.
It causes a lot of timed out AUTH transasction.
Merge pull request #530 from toshic/master

Fixed fd leaks and AUTH timeouts problems
v2.26.3.25
Core: do not recalculate state weight after commands without data. If @sum is 0 it could not be increased via multiplying by 10 - skip this and use first state.