Prepare the release of 2.0.0.

ChangeLog

 1999-05-24  Per Cederqvist  <ceder@lysator.liu.se>
 
+	* Release 2.0.0.
+
+	* NEWS: Set the release date to 1999-05-31.
+	* configure.in: Set version number to 2.0.0.
+	* versions (SERVER-VERSION): 2.0.0.
+	(SERVER-COMPAT-VERSION): 20000.
+
+	Cleanup.
+	* src/server/To-do: File removed.
+	* src/server/Makefile.am (EXTRA_DIST): Removed To-do.
+
 	Update copyright notices.
 	* <all files>: update the year in the copyright notice.
 	* scripts/update-copyright: Handle yearspans.