hg: jigsaw/jake/langtools: update javadoc usage messages for --release

[jonathan.gibbons at oracle.com]

Changeset: b7ce08828bfc
Author:    jjg
Date:      2016-07-14 15:28 -0700
URL:       http://hg.openjdk.java.net/jigsaw/jake/langtools/rev/b7ce08828bfc

update javadoc usage messages for --release

! src/jdk.javadoc/share/classes/com/sun/tools/javadoc/resources/javadoc.properties
! src/jdk.javadoc/share/classes/jdk/javadoc/internal/tool/resources/javadoc.properties