adding more test in model
Merge branch 'develop' of https://github.com/telefonicaid/fiware-paas into bug/notallremovedwhenfailure_47

Conflicts:
	model/src/main/java/com/telefonica/euro_iaas/paasmanager/model/Environment.java
	model/src/test/java/com/telefonica/euro_iaas/paasmanager/model/EnvironmentTest.java
	model/src/test/java/com/telefonica/euro_iaas/paasmanager/model/NetworkTest.java
increase test
Merge branch 'develop' of https://github.com/telefonicaid/fiware-paas into bug/notallremovedwhenfailure_47
adding new tests for subnetwork and network managers. Create test for async
operations
add asyn tests
change model
work on the comments
Merge branch 'develop' of https://github.com/telefonicaid/fiware-paas into bug/notallremovedwhenfailure_47
change in the  verif
Merge pull request #48 from hmunfru/bug/notallremovedwhenfailure_47

Bug/notallremovedwhenfailure 47