RFR: 419: /issue add should allow project names in lower case

[Robin Westberg]

Hi all,

Please review this simple change that matches project names without case sensitivity.

Best regards,
Robin

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Commit messages:
 - Match issue project names case-insensitive

Changes: https://git.openjdk.java.net/skara/pull/669/files
 Webrev: https://webrevs.openjdk.java.net/skara/669/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/SKARA-419
  Stats: 68 lines in 2 files changed: 67 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/skara/pull/669.diff
  Fetch: git fetch https://git.openjdk.java.net/skara pull/669/head:pull/669

PR: https://git.openjdk.java.net/skara/pull/669