only check for duplicate server name and not 'host:port:weight' when 'name' is configured
Add support to unix socket connections to servers
Merge pull request #82 from mezzatto/master

Add support to unix socket connections to servers
Merge branch 'master' into feature_debianize
Merge branch 'feature_debianize' of github.com:dhardy92/twemproxy into feature_debianize