installation: temporary add missing requirements
installation: temporary add missing requirements

* `yadage-schemas` depends on several packages which does not come
  when installing itself (addresses #11).

Signed-off-by: Diego Rodriguez <288245649d05cf8f96289b2b35cece8d6bcb04be@cern.ch>

reanahub/reana-client,reanahub/reana-client