Many of the commands for the group and role resources were lacking an
option to specify the specific domain groups, projects or users belong
to. This commit fixes that.
Change-Id: I461d2bcfd01ad2dea970de38ec7ad6f4a631ceb1
Closes-bug: #1446546
Similar to projects, we shouldn't allow users and groups to
change domains. The server side tosses up an error but osc
should restrict that behaviour in the first place.
Related-Bug: #1418384
Change-Id: I860291a5859c576021b18e35d1a12c32abfb6ca5
