gcc

	* doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
	* doc/install.texi (Testing): Don't mention jacks.
	(Configuration): Document --enable-java-maintainer-mode.  Move
	--with-java-home to libgcj-specific section.  Document
	--with-ecj-jar.
	(Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
contrib
	* download_ecj: New file.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120802 138bc75d-0d04-0410-961f-82ee72b054a4