RFR: 8279995: jpackage --add-launcher option should allow overriding description [v2]

[Alexander Matveev]

> Added ability to override description for additional launchers via "description" property.

Alexander Matveev has updated the pull request incrementally with one additional commit since the last revision:

  8279995: jpackage --add-launcher option should allow overriding description [v2]

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

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7399/files
  - new: https://git.openjdk.java.net/jdk/pull/7399/files/a764be5b..dbb36905

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7399&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7399&range=00-01

  Stats: 50 lines in 1 file changed: 49 ins; 0 del; 1 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