ZMQ default endpoint selection fix
Code style
Result type typedefs of concrete services were mistakenly placed into global namespace cocaine::service, they were moved to class namespace.
libswarm-dev added to dependencies of the libcocaine-plugin-urlfetch-dev package
Logstash Logger now works with the new resolver.
IPVS Gateway now works with the new resolver.
Changelog bump.
Merge branch 'master' of github.com:cocaine/cocaine-plugins
Dependencies bump.