"basho/cuttlefish" support

[yosukehara]

Users will be able to easily set up the configuration of LeoFS.

[yosukehara]

It's successful to launch LeoFS with the new configuration style.

• Manager's conf and schema
• Storage's conf and schema
• Gateway's conf and schema

status
[System config]
                system version : 0.16.8
                total replicas : 2
           # of successes of R : 1
           # of successes of W : 1
           # of successes of D : 1
 # of DC-awareness replicas    : 0
 # of Rack-awareness replicas  : 0
                     ring size : 2^128
              ring hash (cur)  : e812367f
              ring hash (prev) : e812367f

[Node(s) state]
-------------------------------------------------------------------------------------------------
 type node                    state       ring (cur)    ring (prev)   when
-------------------------------------------------------------------------------------------------
 S    storage_0@127.0.0.1     running     e812367f      e812367f      2013-12-06 18:51:20 +0900
 S    storage_1@127.0.0.1     running     e812367f      e812367f      2013-12-06 18:51:20 +0900
 S    storage_2@127.0.0.1     running     e812367f      e812367f      2013-12-06 18:51:20 +0900
 S    storage_3@127.0.0.1     running     e812367f      e812367f      2013-12-06 18:51:20 +0900
 G    gateway_0@127.0.0.1     running     e812367f      e812367f      2013-12-06 18:51:21 +0900