[code-reflection] Integrated: Create a new example for BlackScholes. Reintroduce Heal and Life examples

[Gary Frost]

BlackScholes example being migrated from 'experiments'

Reintroduced Heal (HealingBrush) and Life (GameOfLife) examples after converting code to use HAT

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Commit messages:
 - Create a new example for BlackScholes. Reintroduce Heal and Life examples

Changes: https://git.openjdk.org/babylon/pull/197/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=197&range=00
  Stats: 20803 lines in 45 files changed: 20797 ins; 0 del; 6 mod
  Patch: https://git.openjdk.org/babylon/pull/197.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/197/head:pull/197

PR: https://git.openjdk.org/babylon/pull/197