Split maven structure

[manzke]

You should split the maven structure for the different apis (blob, table, queue, service bus, service runtime, ...)

Have a look at: https://github.com/manzke/azure-sdk-for-java

[jcookems]

Closed by accident (commit referenced this id, but was for a different repo)

[gcheng]

there is a pull request.

[gcheng]

this is done now!