RFR: 8314: Update some important copyrights [v3]

[Marcus Hirt]

> Also added some missing project files to make life easier in Eclipse.

Marcus Hirt has updated the pull request incrementally with one additional commit since the last revision:

  Aaargh copyright

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

Changes:
  - all: https://git.openjdk.org/jmc/pull/621/files
  - new: https://git.openjdk.org/jmc/pull/621/files/b6b38011..511f2564

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jmc&pr=621&range=02
 - incr: https://webrevs.openjdk.org/?repo=jmc&pr=621&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jmc/pull/621.diff
  Fetch: git fetch https://git.openjdk.org/jmc.git pull/621/head:pull/621

PR: https://git.openjdk.org/jmc/pull/621