Minor fixes to debug logs of apply_role
Merge pull request #884 from vuntz/debug-fixes

Minor fixes to debug logs of apply_role
Merge pull request #886 from bkutil/test_proposal_validation_in_crowbar_controller

Check that proposals get validated when called from command line
Added default group back again to nodes form
Updated node form group labels
Set default node group as placeholder only
Merge pull request #887 from tboerger/feature/default-group

Added default group back again to nodes form
Fix cli to reflect_node_status_api_change
Merge pull request #889 from bkutil/fix_cli_to_reflect_node_status_api_change

Fix cli to reflect_node_status_api_change.

Verified by @dheidler. Merging.
Check that all proposal validations run on proposal update/save
Add specs for proposal validation
Make sure we validate proposals after save on commit and update