acu164602 Rename metadata

RS_IP0_NAMESERVERS to RS_NAMESERVERS<N> and RS_NAT_ADDRESS/RS_RANGES
RS_ROUTE<N>
acu164602 Cleanup variables as well a bit
acu164602 Rename metadata key back to rs_ipN_nameservers
acu164602 Try to only raise errors during network config when needed
acu164602 Oops commented out already_configured block
acu164602 Better force networking restart on ubuntu
acu164602 Fix grammar
acu164602 Fixes for vscale/softlayer cloud ip_address population

depends is a ohai v7 directive, for ohai v6 its require_plugin
Merge pull request #410 from rightscale/ivory_14_08_acu164602_rename_metadata

Ivory 14 08 acu164602 rename metadata