Add NEWS file.

ChangeLog

+2003-07-28  Benot Perrot  <benoit@lrde.epita.fr>
+
+	* NEWS: Describe main version changes.
+
 2003-07-27  Benot Perrot  <benoit@lrde.epita.fr>
 
 	* src/task/task_register.hh, src/task/task_register.cc:

NEWS

+-*- text -*-
+
+New in 0.3:
+* Make option engine support incomplete options.
+* --check-callee-save: check that callee save registers are preserved 
+  across a call.
+
+New in 0.2, 2003-07-11:
+* Extend supported instruction set and syntax.
+* Consider pseudo-instructions as a list of native instructions.
+
+New in 0.1, 2003-06-28:
+* Emulate a minimal MIPS processor with unlimited registers.
+* Generate scanner, parser and visitors from an xml database.