Only import ReqIF having Specification elements

[eclipse-capella-bot]

If a ReqIF model does not have any Specification (i.e Module), no requirement will be imported.

• Add a verification and popup before launching the import
• Update the documentation

ECLIPSE-555396 POLARSYS-2507 cong.bang.do 2019-06-14 0.10.1

[eclipse-capella-bot]

ci-bot commented on 2019-06-19

Merged to [master]. Commit: 7548d36360265e021704e55607bd6c540f18da77