moving away from hard-coding datacenters and towards retrieving list over available DCs from the service catalog
extending error message
really extending the error message this time...
adding more detail
casting availableDCs to [string[]]
merging with origin
added LON, HKG, and SYD
removed hardcoded datacenter array for loadbalancer endpoints
merging upstream changes
Merge pull request #1 from nick-o/dev

Slight improvement on the dynamic determination of DCs