CFY-1318 update system tests
Merge branch 'master' into CFY-1318-tosca-interfaces
Merge branch 'master' into CFY-1318-tosca-interfaces
Merge branch 'master' into CFY-1318-tosca-interfaces
Merge pull request #53 from cloudify-cosmo/CFY-1318-tosca-interfaces

CFY-1318 update system tests