RFR: 215: Verify webrev links before considering publication successful

[Robin Westberg]

Hi all,

Please review this change which ensures that webrev links can be successfully reached before returning from the publication step. 

Best regards,
Robin

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Commits:
 - 16f41bac: Verify webrev links before considering publication successful

Changes: https://git.openjdk.java.net/skara/pull/345/files
 Webrev: https://webrevs.openjdk.java.net/skara/345/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-215
  Stats: 168 lines in 6 files changed: 127 ins; 1 del; 40 mod
  Patch: https://git.openjdk.java.net/skara/pull/345.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/345/head:pull/345

PR: https://git.openjdk.java.net/skara/pull/345