Fix displaying order set constraint in GUI

* Previously an order set constraint has been displayed once for each
  reference of the particular resource in the constraint.
* Do not display cib in errors.
Fix adding constraints for clone or master resources in GUI

It is not allowed to create constraints referencing resource inside clone
or master/slave resource because these constraints are ignored by
pacemaker.  This patch makes pcs and pcsd automatically correct
the resource id to clone or master/slave parent in order to properly
create correct constraint.
Fix default values in 'Create Cluster' dialog

Removed default values from the inputs so they will not be saved into
the cluster configuration in order to be really default - specified by
corosync / pacemaker instead by configuration.