* gnu/java/nio/ByteBufferImpl.java
	(ByteBufferImpl): All constructors revised.
	(slice): Reimplemented.
	(duplicate): Reimplemented.
	(asReadOnlyBuffer): Reimplemented.
	* java/nio/ByteBuffer.java:
	Reformatted.
	(array_offset): Renamed from "offset" to match all other buffer
	classes.
	(ByteBuffer): All constructors revised.
	(allocateDirect): Implemented.
	(allocate): New implementation, documentation reworked.
	(wrap): Likewise.
	(get): Documentation reworked.
	(put): New implementation, documentation reworked.
	(hasArray): Documentation reworked.
	(arrayOffset): Likewise.
	(hashCode): Likewise.
	(equals): Likewise.
	(compareTo): Likewise.
	(order): Likewise.
	(compact): Likewise.
	(isDirect): Likewise.
	(slice): Likewise.
	(duplicate): Likewise.
	(asReadOnlyBuffer): Likewise.
	* Makefile.am
	(ordinary_java_source_files):
	Added gnu/java/nio/DirectByteBufferImpl.java.
	(nat_source_files):
	Added gnu/java/nio/natDirectByteBufferImpl.cc.
	* Makefile.in: Regenerated.

From-SVN: r66749