RFR: 384: Suggest issue command instead of solves command

[Robin Westberg]

Hi all,

Please review this minor change that suggest the `issue` command instead of `solves`.

Best regards,
Robin

-------------

Commit messages:
 - Prefer issue command over solves

Changes: https://git.openjdk.java.net/skara/pull/616/files
 Webrev: https://webrevs.openjdk.java.net/skara/616/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-384
  Stats: 6 lines in 2 files changed: 0 ins; 2 del; 4 mod
  Patch: https://git.openjdk.java.net/skara/pull/616.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/616/head:pull/616

PR: https://git.openjdk.java.net/skara/pull/616