[slaveof] add support for slaveof
[slaveof] put back replication attrs
[slaveof] allow for user to set slaveof_* directly in lwrp
[slaveof] don't set default in resource if we're defaulting to nade attr value
[slaveof] data_bag recipe will recieve all input from databag (not node attrs)
[slaveof] updated jamie to test slaveof on data_bag and server_source instances
[slaveof] minor test fixes
Merge pull request #24 from bbg-cookbooks/slaveof

[slaveof] add support for slaveof