Added ability to override description for additional launchers via "description" property.
------------- Commit messages: - 8279995: jpackage --add-launcher option should allow overriding description Changes: https://git.openjdk.java.net/jdk/pull/7399/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7399&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8279995 Stats: 18 lines in 5 files changed: 8 ins; 0 del; 10 mod Patch: https://git.openjdk.java.net/jdk/pull/7399.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/7399/head:pull/7399 PR: https://git.openjdk.java.net/jdk/pull/7399
