wrong values for SRVData keys in DynECT
Merge pull request #1461 from jclouds/dynect-wrongkeys

wrong values for SRVData keys in DynECT
made it possible to replace a value in the ultradns record builder
Merge pull request #1462 from jclouds/ultradns-rr-builder

made it possible to replace a value in the ultradns record builder