Feature: Add support for service style daemon announces

- Add support for specifying only the service in a daemon announcement
- Clean up the gemspec and remove jeweler

Squashed commit of the following:

commit 3025c1fcb1df5e60bb0d94d21cdf2a3eba847650
Author: David Snyder <david@infochimps.com>
Date:   Fri Apr 11 14:37:50 2014 -0500

    Add support for service style daemon announces, strip gemspec

    Change-Id: I8046a3e6ee4f20d5cef22af84d9226189b157e67

Change-Id: I92a06788f48d4f4dd304d09c253a47f3ef30ebfd