Improved physics parameters to stop wilbert from toppling over.

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@1498 178a84e3-b1eb-0310-8ba1-8eac791a3b58

data/wilber.tkkf

@@ -6,6 +6,12 @@
  (icon-file   "wilbericon.rgb")
  (shadow-file "wilbershadow.rgb")
 
+;; some changed physics parameter to  prevent
+;; wilbert from toppling over all the time
+ (suspension-rest           0.08  )
+ (gravity-center-shift      0.5  )
+ (wheel-damping-relaxation  12.3  )
+
  (red   0.25)
  (green 0.23)
  (blue  0.18)