fixes issue #12. pep8 tool happy and 9/10 from pylint
pep8 cleanup on esxi_perf_sample to address issue #12
pep8 cleanup on getallvms to address issue #12
pep8 cleanup on hello_world_vcenter. This makes pep8 tool and pylint both happy. Fixes issue #12
pep8 cleanup on list_datastore_cluster. This makes pylint and pep8 tool both happy. fixes issue #12
pep8 cleanup to make pylint happy. fixes issue #12
Merge pull request #63 from michaelrice/issue-12

Issue 12