[code-reflection] Integrated: updates demos for j1

[Gary Frost]

Some ui tweaks. So the life demo matches presentation.

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Commit messages:
 - updates demos for j1

Changes: https://git.openjdk.org/babylon/pull/364/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=364&range=00
  Stats: 88 lines in 4 files changed: 36 ins; 33 del; 19 mod
  Patch: https://git.openjdk.org/babylon/pull/364.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/364/head:pull/364

PR: https://git.openjdk.org/babylon/pull/364