Update module summary, add a few existing properties and features into the tables.
------------- Commit messages: - 8265248: Implementation Specific Properties: change prefix, plus add existing properties Changes: https://git.openjdk.java.net/jdk/pull/3644/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3644&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8265248 Stats: 873 lines in 14 files changed: 640 ins; 66 del; 167 mod Patch: https://git.openjdk.java.net/jdk/pull/3644.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/3644/head:pull/3644 PR: https://git.openjdk.java.net/jdk/pull/3644
