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.
Set proposal_schema_version to 2 in crowbar.yml

This is needed when we have crowbar-status/crowbar-failed in the schema.
Specify protocol when talking to keystone
Do not save node without reason
Also use correct keystone protocol in common recipe
Disable verbose and debug by default
Remove unused use_syslog
Make use of debug attribute
Remove unused bind_open_address attribute
Really use port attribute
Sync configuration file with Grizzly
Fix username of ceilometer user

It should not be a proposal attribute.
Remove unneeded node.save
Use correct package names/service names

Also fix a hard-coded owner.
Missing package name for SUSE
Add a protocol attribute

Ceilometer only supports HTTP for now, but this way, we're ready for SSL
support.
Allocate public IP address to ceilometer-server nodes

The ceilometer server needs to be accessible from the external network, so
that OpenStack command line tools work.
Use render_instance_selector helper API
Fail in create_proposal if no keystone/rabbitmq instance can be found
Turn off multi proposal support until people ask for it