RFR: 6604: Adding EA splash for JMC 8

[Marcus Hirt]

Also fixing progress bar.

----------------

Commits:
 - 62332ba1: Adding EA splash for JMC 8

Changes: https://git.openjdk.java.net/jmc/pull/2/files
 Webrev: https://webrevs.openjdk.java.net/jmc/2/webrev.00
  Issue: https://bugs.openjdk.java.net/browse/JMC-6604
  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.java.net/jmc/pull/2.diff
  Fetch: git fetch https://git.openjdk.java.net/jmc pull/2/head:pull/2

PR: https://git.openjdk.java.net/jmc/pull/2