RFR: Use seeded materialization when generating mails

[Robin Westberg]

Hi all,

Please review this change that uses seeded materialization when generating emails, to improve performance.

Best regards,
Robin

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

Commits:
 - 430b8cda: Use seeded materialization when generating mails

Changes: https://git.openjdk.java.net/skara/pull/428/files
 Webrev: https://webrevs.openjdk.java.net/skara/428/webrev.00
  Stats: 24 lines in 3 files changed: 19 ins; 0 del; 5 mod
  Patch: https://git.openjdk.java.net/skara/pull/428.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/428/head:pull/428

PR: https://git.openjdk.java.net/skara/pull/428