ADD E2E testcase for blueprint deployment testing in all regions
FIX image types to be used by TCs
ADD feature: save additional data about instances after testcase execution; refactor and fix
REFACTOR dataset
FIX test finishes when connection problems
FIX network existence validation
Merge branch 'QA/deploy_environment_regions' into QA/paas_instances
ADD product attribute support; ADD new dataset; FIX create and delete instace testcases
FIX list of product attributes
MERGE from develop
ADD attribute type validations in all API resources

new lines and minor fixes
FIX var init
Merge pull request #126 from jframos/QA/paas_instances

Qa/paas instances