atomize node stat update
host info in initialization is not an error
make aggregate drifted-timered
allow balancelogicadapter.GroupState to go bad
store coupled groups ids in group object
add timed_queue
add threading locks to bla
add node_info_updater
move request processors to node info updater objects
No more need in session in balance
No more aggregate in manifest
Merge pull request #6 from vkap/advanced-refresh

Advanced refresh