fs: set default directory-bit-numnber to 16, otherwise backend doesn't work if appropriate config option is not specified (0 was default)
connect: add_remote() must always return error when failed to connect to any remote node
net: put state in dnet_connect_route_list_complete

dnet_state_search_by_addr increments state refcount
so we need to decrement it using dnet_state_put.

Bug was found in dnet_connect_route_list_complete.
Merge pull request #533 from toshic/master

Memory leak in case of network problems
Merge branch 'master' of github.com:reverbrain/elliptics
Merge pull request #532 from shaitan/master

Pack of updates and fixes
Merge branch 'master' of github.com:reverbrain/elliptics
v2.26.3.26
file: fixed lookup command and lookup timestamp for missed metadata
forward: cleanup forward path, put transaction allocation into forward function
lookup: there are 2 lookup stages: cache and disk, do not send ack if we succeeded searching for the key
file: fixed metadata blob initialization