- Better readme.

gui/README.txt

@@ -1,5 +1,54 @@
+------------------------------------------------------------------------
+
 				Scyther
 
-The Scyther Tool: Automatic Verification of Security Protocols
+			       1.0-beta4
+
+	  a automatic verification tool for security protocols
+			     by Cas Cremers
+
+			Microsoft Windows binary
+				  and
+	   Linux binary compiled for Linux i686 environments
+
+------------------------------------------------------------------------
+
+
+Note: This is a BETA release, and therefore the usual warnings apply.
+
+
+
+1. More information
+========================================================================
+
+For more information, see:
+
+  http://www.win.tue.nl/~ccremers/scyther
+
+
+2. Starting out
+========================================================================
+
+Start the graphical user interface by starting
+
+  scyther-gui.py
+
+Some protocol description files (with extension .spdl) can be found in
+the base directory.  Many other protocol input files can be found in the
+SPORE directory.
+
+
+3. Citing Scyther
+===========================
+
+For now, there is no official journal paper to cite yet, but you can use
+the following information:
+
+@misc{wwwscyther,
+  Author = "C.J.F. Cremers",
+  Title  = "The Scyther Tool : Automated Verification of Security Protocols",
+  Note   = "\url{http://www.win.tue.nl/~ccremers/scyther}",
+  url    = "http://www.win.tue.nl/~ccremers/scyther"
+}