[code-reflection] RFR: Initial code reflection prototype

[Paul Sandoz]

Initial code reflection prototype.

Once integrated a few emails will be sent to [babylon-dev at openjdk.org](mailto:babylon-dev at openjdk.org) describing this prototype.

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Commit messages:
 - Remove trailing whitespace
 - Initial prototype.

Changes: https://git.openjdk.org/babylon/pull/1/files
 Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=1&range=00
  Stats: 47755 lines in 195 files changed: 47693 ins; 2 del; 60 mod
  Patch: https://git.openjdk.org/babylon/pull/1.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/1/head:pull/1

PR: https://git.openjdk.org/babylon/pull/1