Organized imports in org.apache.stratos.cli
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
Using proper variable names for username & password
Organized imports in org.apache.stratos.cli
Code cleanup. Removed unnecessary getters for Username and Password as
those are already available in RestClient.
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos
STRATOS-560 Provide UI to support serviceGroups

Signed-off-by: M. Isuru Tharanga Chrishantha Perera <isuru@apache.org>
STRATOS-561 Added CLI command and back-end implementation
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-stratos