hg: jdk8/tl/langtools: 8024288: javadoc generated-by comment should always be present

[jonathan.gibbons at oracle.com]

Changeset: 044721d4d359
Author:    jjg
Date:      2013-09-04 14:44 -0700
URL:       http://hg.openjdk.java.net/jdk8/tl/langtools/rev/044721d4d359

8024288: javadoc generated-by comment should always be present
Reviewed-by: bpatel

! src/share/classes/com/sun/tools/doclets/formats/html/HtmlDocletWriter.java
! src/share/classes/com/sun/tools/doclets/formats/html/markup/HtmlDocWriter.java
! test/com/sun/javadoc/testGeneratedBy/TestGeneratedBy.java