PR libgcj/14358, libgcj/24552:

	* gnu/gcj/convert/IOConverter.java: Regenerate aliases.  Add
	aliases for 'euc_jp' and 'eucjp'.
	* scripts/encodings.pl: Recognize 'none', not 'NONE'.  Include
	canonical names in output.
	(%map): Added UnicodeLittle and UnicodeBig.

From-SVN: r106490