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
ADD nid test cases
Merge pull request #128 from jframos/QA/nids

ADD nid test cases
Merge pull request #125 from jesuspg/bug/4393_heap_optimize

improve and optimization find methods in Environment and AbstractEnviron...