moved code from client_impl to maid node nfs (wip)
wip on nfs change
minor update
cleanup
updated nfs client for zero state.
updated RegisterPmid() signature to take pmid key
Further work on maid node nfs (wip)
Merge branch 'next' into nfs_change

Conflicts:
	include/maidsafe/nfs/client/maid_node_nfs.h
	src/maidsafe/nfs/client/maid_node_nfs.cc
grouping timers in a struct
cleanup
style fix
fix from Viv/Fraser
Merge branch 'next' into nfs_change