Add Neocons 2.0/Neo4j Server versions compatibility note
Revert "Switch to use services: on travis"

This reverts commit bafba78e3a38dd0285459a7bb2baad7adcdd7712.

We will use Neo4J Server 2.0 milestones for testing now.
Cosmetics
Add 1-arity to instantiate-statement
Change log update
Link to Neo4J manual chapter on REST API transactions