Vagrants/blackbird — pull request #16 by JumpeiArashi (2014-12-08 15:16:41+00:00)
Title: Get rid of "ipaddr" module from requires

Because of

* ipaddr is used to validate whether given value is IP Address
* `hostname` parameter in config may be hostanme or IP Address
* "python-ipaddr" RPM doesn't exist in AWS RPM repository