RFR: 6673: Upgrading to Tycho 1.6.0

[Marcus Hirt]

6673: Upgrading to Tycho 1.6.0

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Commits:
 - eeb79868: 6673: Upgrading to Tycho 1.6.0

Changes: https://git.openjdk.java.net/jmc/pull/40/files
 Webrev: https://webrevs.openjdk.java.net/jmc/40/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JMC-6673
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jmc/pull/40.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/40/head:pull/40

PR: https://git.openjdk.java.net/jmc/pull/40