add coberage to authentication token
fix test
Merge branch 'develop' into feature/addUnitTests

* develop: (30 commits)
  ADD nid test cases
  FIX var init
  ADD attribute type validations in all API resources
  improve and optimization find methods in Environment and AbstractEnvironments remove not used methods add unit test
  fix error
  checkstyle
  checkstyle
  checkstyle
  refactor
  fix according to comments
  fix according to comments
  fix according to comments
  fix according to comments
  fix testtig errors
  ADD E2E testcase for blueprint deployment testing in all regions
  FIX list of product attributes
  fix error code on validation error
  add attribute type and value validation
  FIX testing products are not created before test execution
  ADD product attribute support; ADD new dataset; FIX create and delete instace testcases
  ...

Conflicts:
	rest-api/src/main/java/com/telefonica/euro_iaas/paasmanager/rest/auth/OpenStackAuthenticationToken.java
	rest-api/src/test/java/com/telefonica/euro_iaas/paasmanager/rest/auth/OpenStackAuthenticationTokenTest.java
Merge pull request #121 from jesuspg/feature/addUnitTests

add unit test