jira.py: add authentication now required by https://issues.apache.org/jira
jira.py: add authentication now required by https://issues.apache.org/jira

apache/cloudstack-docs-rn,remibergsma/cloudstack-docs-rn,remibergsma/cloudstack-docs-rn,remibergsma/cloudstack-docs-rn,apache/cloudstack-docs-rn,apache/cloudstack-docs-rn