* java/lang/StringBuffer.java (toString): Don't mark buffer as
shared.
(insert(int,char[],int,int): New method.
(delete): New method from Classpath.
(deleteCharAt): Likewise.
(substring): Likewise.
(shared): No longer private.
Added JavaDoc comments from Classpath.
* java/lang/String.java (String(StringBuffer)): Ensure `buffer' is
shared.
From-SVN: r33809
* All files: Updated copyright information.
* COPYING: New file.
* COPYING.LIB: Removed.
* LIBGCJ_LICENSE: We now use GPL + special exception.
From-SVN: r32387