hg: jdk7/tl/langtools: 6958802: cleanup and doc langtools build.xml file

[jonathan.gibbons at oracle.com]

Changeset: d33b91f360fc
Author:    jjg
Date:      2010-06-04 17:33 -0700
URL:       http://hg.openjdk.java.net/jdk7/tl/langtools/rev/d33b91f360fc

6958802: cleanup and doc langtools build.xml file
Reviewed-by: ohair

! make/build.properties
! make/build.xml