issue #55: Ultradns add,remove,replace
Included support for adding records to a round-robin pool if they can be in there (A or AAAA)
fixed issue in the iterator
Temporarily changed expected values for the mocks as we are using the full list for now until the api is updated.
Search for pools by name and type - Temporarily storing type in the pool description
Updated to use jclouds snapshot 1.6
Merge pull request #66 from jdamick/add_remove_2

issue #55: ultradns add,remove,replace - still lacking mock tests