[code-reflection] Integrated: Hat refactor view

[Gary Frost]

Small changes to view example. 

I am playing with iface/record vector implementations 

A small regex change also in here

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Commit messages:
 - regex changes
 - replace pools
 - merging types
 - merging types
 - merging types
 - merging types
 - merging types
 - Refactor index pools and delete dead code

Changes: https://git.openjdk.org/babylon/pull/649/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=649&range=00
  Stats: 1979 lines in 30 files changed: 852 ins; 918 del; 209 mod
  Patch: https://git.openjdk.org/babylon/pull/649.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/649/head:pull/649

PR: https://git.openjdk.org/babylon/pull/649