DROOLS-132 Refactor Fluent Interfaces for general use

- Fluent interfaces moved to kie-internal (eventualy kie-api)
JBPM-3938 REST-based and JMS-based for the jBPM console and kie-ide (*unfinished)

* This is an UNFINISHED implementation
- Rest impl
- JMS impl
- KieSession (proxy) based client intrerface
- Fluent client interface
Compilation fix related to DROOLS-132 changes
Refactored OperationMessage translation/execution to the kie-services-client module
Maciej's Rest API: empty methods/skeleton
Compilation fix for kie-services-remote
Refactoring towards the new REST api structure
 - command based remote api
Partial refactor from RPC to Commands -- mostly just broke stuff.
[DROOLS-140] add integration project for testing AS7 and glassfish
 - InternalTaskService implements CommandExecutor