add hawk cookbook
add roles and element ordering to orchestrate corosync authkey generation
crowbar.yml: remove comments and trailing whitespace
move translations to separate file
disable nav bar entry for now
add to new HA group
remove undesirable stuff from model
allow logfile to be configurable
fix handling of pacemaker service name
fix stupid mistake with haveged
add hawk-server role to proposal and UI
move installation to separate recipe and tweak dependencies

In order to start corosync service:

- openais must be installed
- corosync.conf and authkey must be configured
fix corosync service name and ensure running on SUSE
add some proposal validation