* java/io/PushbackReader.java: Merged with Classpath.

	* java/io/PushbackReader.java: Merged with Classpath.
	* java/util/Arrays.java: Updated from Classpath.

	* scripts/blocks.pl: New file.
	* java/lang/Character.java (Subset): New class.
	(UnicodeBlock): New class.

	* java/lang/Math.java (toDegrees, toRadians): New methods.

	* java/lang/Float.java: Implement Comparable.
	(compareTo): New methods.
	* java/lang/Double.java: Implement Comparable.
	(compareTo): New methods.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37512 138bc75d-0d04-0410-961f-82ee72b054a4