Introduce new thunderbird with rescue animation

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@10011 178a84e3-b1eb-0310-8ba1-8eac791a3b58

data/models/referee.xml

@@ -8,8 +8,8 @@
     colors: Three texture names that are used for ready, set, go.  -->
 
 <referee model="thunderbird.b3d"
-         first-rescue-frame="1"
-         last-rescue-frame="99"
+         first-rescue-frame="625"
+         last-rescue-frame="700"
          first-start-frame="265"
          last-start-frame="290"
          start-offset="-1.2 2 2"