Update for tag of 0.5.0-pre4

META

@@ -11,7 +11,7 @@
   Minor:	5
   Micro:        0
   Version:	0.5.0
-  Release:	0.pre3
+  Release:	0.pre4
   API_CURRENT:	7	
   API_AGE:	4
   API_REVISION:	0

NEWS

@@ -13,6 +13,7 @@ documents those changes that are of interest to users and admins.
  -- Added mail.html web page telling how to get on slurm mailing lists.
  -- Added another directory to search for DB2 files on BGL system.
  -- Added overview man page slurm.1.
+ -- Added new configure option "--with-db2-dir=PATH" for BGL.
 
 * Changes in SLURM 0.5.0-pre3
 =============================