Add crowbar-status and crowbar-failed in schema

Otherwise, barclamp_mgmt_lib.rb will edit the schema and add them, which
will make the files differ from the ones in the package.

Part of https://bugzilla.novell.com/show_bug.cgi?id=776583
Set proposal_schema_version to 2 in crowbar.yml

This is needed when we have crowbar-status/crowbar-failed in the schema.
Merge pull request #53 from vuntz/add-missing-attributes

https://github.com/crowbar/barclamp-dns/pull/53

Merged by devtool for cloudsleuth
Required syntax changes to support ruby version 1.9

"case" syntax changes and using "node.set[]=" instead of "node[]="
DNS is handled differently on Windows.

If platform is Windows, do not write the resolv.conf
Merge pull request #52 from ociuhandu/pull-req-release-pebbles-master-58a2078e8676eb14d4439f36e1ad3e1385f0a21b

https://github.com/crowbar/barclamp-dns/pull/52

Merged by devtool for VictorLowther
dont create invalid bind config

when one IP appeared twice in hosts list
two identical entries were added to the reverse DNS zone
which broke bind reload and thus chef