fixes #193 allows nrs with empty entities and entity_tags
fixes #100 - support multiline check output
improve testing for notification rules
fixes #189 - correct jabber alias in ack eg strings
Merge pull request #194 from jessereynolds/omnibus

Various - multiline check output, general notification rules, jabber alias, ...
fixes gh-195 - entity and contact lists sorted
prepare 0.7.8 release