add mysql-python puppet changes
Merge branch '4.0.0-grouping' of https://git-wip-us.apache.org/repos/asf/stratos into 4.0.0-grouping
refactor metadata client
making transactionmanager singleton
Merge branch '4.0.0-grouping' of https://git-wip-us.apache.org/repos/asf/stratos into 4.0.0-grouping