BAZYNGO-1803: fixed save handler invocation
BAZYNGO-1805: performa actual action execution
BAZYNGO-1812: bind to correct resource class evens (a copy/paste error)
BAZYNGO-1812: fixed a silly NPE
BAZYNGO-1812: prevent NPE when no action is matched (null name is
special because resource names are never null)
BAZYNGO-1803: fetch action from server after creation, because
Resource.$upate is needed for subsequent saving changes.
BAZYNGO-1804: block submitting invalid rule definitions