Extend node names in transfers output

[brianshumate]

Currently in the output of riak-admin transfers, node names are truncated at 16 characters. For example:

riak-admin transfers 

'riak@long-node-c001.example.com' waiting to handoff 3 partitions 
'riak@long-node-c002.example.com' waiting to handoff 1 partitions 
'riak@long-node-c003.example.com' waiting to handoff 1 partitions 
'riak@long-node-c004.example.com' waiting to handoff 1 partitions 
'riak@long-node-c005.example.com' waiting to handoff 1 partitions 
'riak@long-node-c006.example.com' waiting to handoff 1 partitions 
'riak@long-node-c007.example.com' waiting to handoff 1 partitions

Active Transfers:

transfer type: hinted_handoff 
vnode type: riak_kv_vnode 
partition: 93865151022383844456719261665907161364247891968 
started: 2012-12-03 05:56:52 [209.44 s ago] 
last update: 2012-12-03 06:00:20 [1.69 s ago] 
objects transferred: 228668

1430 Objs/s 
riak@long-node-c =======================> riak@long-node-c 
1.17 MB/s

transfer type: hinted_handoff 
vnode type: riak_kv_vnode 
partition: 90716193865151022383844364244567192616657891968 
started: 2012-12-03 05:56:52 [209.44 s ago] 
last update: 2012-12-03 06:00:21 [157.72 ms ago] 
objects transferred: 231697

1412 Objs/s 
riak@long-node-c =======================> riak@long-node-c 
1.17 MB/s

Can the node name length be extended to 32 characters?