Service Resouces and Stack Resources.
ServiceResourceWebServiceTest.java and StackResourceWebServiceTest.java
Relationship.java created and some changes on stack and services.
Rest calls for most of the service and stack architecture and tests for them.
Changes with Stack ID and StackServiceAction.java
Merge remote-tracking branch 'remotes/origin/master' into Service_Stack
Merge branch 'master' of https://github.com/n3phele/core into Service_Stack
Rest calls for addStack, stackExpose and addRelationStacks.
Query made and a alpha implementation of the signal of the StackServiceAction.java
Cancel signal working for StackServiceAction.java
Deleted some prints..
Changes on signal method on StackServiceAction.java
Test for StackServiceAction query.
Merge fix

Conflicts:
	n3phele/src/n3phele/service/model/ServiceModelDao.java