Added Gogo commands to generate temporary artifacts:

- 'gba' will generate a bundle artifact with a given BSN and version;
- 'gca' will generate a MetaType configuration using a given list of
  properties.



git-svn-id: https://svn.apache.org/repos/asf/ace/trunk@1572050 13f79535-47bb-0310-9956-ffa450edef68
Added a Gogo command to create & upload an artifact from a local file.



git-svn-id: https://svn.apache.org/repos/asf/ace/trunk@1572051 13f79535-47bb-0310-9956-ffa450edef68