load metadata (key,values) from SDC and save to paasmanager database
search by nid metadata and add to payload in create instance
Merge branch 'develop' into feature/nid

* develop:
  fix according to comments
  fix according to comments
  fix
  fix name resolution according to name composition
  modify dg migration scripts
  fix delete order errors
  improve macro resolution
  resolve attribute values

Conflicts:
	core/src/main/java/com/telefonica/euro_iaas/paasmanager/manager/impl/TierInstanceManagerImpl.java
remove dummies
Merge branch 'develop' into feature/nid

* develop:
  modify coverall plugin
fix unit test
update metadata with already created metadata
Merge branch 'develop' into feature/nid

* develop:
  update coveralls repo token
  Update .travis.yml
Merge pull request #116 from jesuspg/feature/nid

Feature/nid