Some small modernizations and cleanups that ultimately help startup of apps using JNDI/InitialContext
------------- Commit messages: - VersionHelper cleanup Changes: https://git.openjdk.java.net/jdk/pull/2259/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=2259&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8260506 Stats: 30 lines in 1 file changed: 2 ins; 16 del; 12 mod Patch: https://git.openjdk.java.net/jdk/pull/2259.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/2259/head:pull/2259 PR: https://git.openjdk.java.net/jdk/pull/2259