Rename of AggregatorImpl.java to AbstractAggregatorImpl.java and
DojoHttpTransport.java to AbstractDojoHttpTransport.java
Merge remote-tracking branch 'jaggr/master' into jaggr-core

Conflicts:
	jaggr-service/src/main/java/com/ibm/jaggr/service/impl/transport/DojoHttpTransport.java
Merge pull request #114 from chuckdumont/jaggr-core

Rename of AggregatorImpl.java to AbstractAggregatorImpl.java and