RFR: Do not send tag-related updates when in PR_ONLY mode

[Robin Westberg]

Hi all,

Please review this minor change that avoids sending tag-related notification emails for notifiers configured to PR_ONLY.

Best regards,
Robin

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Commits:
 - d98cd4b9: Do not send tag-related updates when in PR_ONLY mode

Changes: https://git.openjdk.java.net/skara/pull/197/files
 Webrev: https://webrevs.openjdk.java.net/skara/197/webrev.00
  Stats: 7 lines in 2 files changed: 6 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/skara/pull/197.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/197/head:pull/197

PR: https://git.openjdk.java.net/skara/pull/197