Adding barbicanclient lib functional tests for orders

Change-Id: I0549316df71073cee2f80598ae345a2bfd3ea926
Adding to functional tests for secrets

Change-Id: I0385760d5d6debf6f95576638d3dfcb6b985bfdc
Adding to functional tests for orders

Change-Id: Ib4355fb643be0a5e0ad1c3c7590534bf061f4b68
Refactoring and adding to functional orders tests

Change-Id: Idf9d30a7ce52a00fc8bb5f135ea7c6ad9e1b308f
Moved security groups tests into security_groups package

* Moved test_security_group_of_servers into security_groups
  package so that it is only run with other security groups
  tests

Change-Id: I449b5bdce3dc7bd25815e89159b630413f97bb19
Merge "Adding barbicanclient lib functional tests for orders"
Merge "Refactoring and adding to functional orders tests"
Merge "Adding to functional tests for secrets"
Merge "Adding to functional tests for orders"