* gnu/gcj/convert/Input_UnicodeBig.java:  New class..
	* gnu/gcj/convert/Input_UnicodeLittle.java:  New class.
	* Makefile.am:  Update accordingly.
	* gnu/gcj/convert/IOConverter.java:  Define "utf-16le" and "utf16be"
	as aliases for UnicodeLittle and UnicodeBig.

From-SVN: r79723