Upgrades version to 0.4.1 release.
Upgrades version to 0.4.1 release.

Change-Id: I4d35660d1cf4b84acb7b5fac7253fad474330f72

deepsense-io/seahorse-workflow-executor,deepsense-io/seahorse-workflow-executor,deepsense-io/seahorse-workflow-executor,deepsense-io/seahorse-workflow-executor