preventive chances in Service and default consructor in NodeCreationRequestSpec
more vm experiment results
bootstrap log saved on bootstrapped node
Retrieving chef node name from bootstrap log

It avoids the overhead of one more ssh connection
and the use of that complex and subjetive script
(I believe parsing the bootstrap log it is a safer and faster source to this information)
using SshWaiter on NodeBootstrapper
Improving node handling before applying recipe

Tries to satisfy node preconditions:
* node bootstrapped
* node chef name listed on knife node list
Fixing bug related to jaxb and array initialization in ServiceInstance
change to avoid build broken
Just some refactoring for choreography services (1)
new classes for choreography service (2)
Add support for service deletion on recipes
Tests adaptation for choreography services
Just refactoring changes for choreography services (2)
Test code adaptation. No tests passing yet
Refactored models for tests. All unit tests passing now.
Solved errors after rebase apply
Refactoring tests after rebase apply. All Unit Tests passing
Merge branch 'experimental' of github.com:choreos/choreos_middleware
into experimental

Conflicts:
	DeploymentManager/src/main/java/org/ow2/choreos/deployment/services/rest/ServicesResource.java
	DeploymentManager/src/test/java/org/ow2/choreos/deployment/services/ClientTest.java