RFR: Adhere to GitHub's search rate limit

[Robin Westberg]

Hi all,

Please review this change that ensures that searches are not performed too often, to adhere to the special rate limit applied to search queries.

Best regards,
Robin

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Commits:
 - cdfcbb5b: Adhere to GitHub's search rate limit

Changes: https://git.openjdk.java.net/skara/pull/472/files
 Webrev: https://webrevs.openjdk.java.net/skara/472/webrev.00
  Stats: 20 lines in 1 file changed: 20 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/skara/pull/472.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/472/head:pull/472

PR: https://git.openjdk.java.net/skara/pull/472