minor, support alias listing via rotz-alias (with no params)

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'cmd/alias' into next

* cmd/alias:
  minor, support alias listing via rotz-alias (with no params)
minor, provide rotz-combine --into to skip aliasing

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'cmd/combine' into next

* cmd/combine:
  minor, provide rotz-combine --into to skip aliasing