Added new nitro models and textures,

removed transparency from track.rgb.


git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@2691 178a84e3-b1eb-0310-8ba1-8eac791a3b58

data/items.items

@@ -1,8 +1,8 @@
 ;; -*- mode: lisp -*-
 
 (item
-  (gold   "goldcoin"  )
-  (silver "silvercoin")
+  (gold   "nitrotank-small"  )
+  (silver "nitrotank-big")
   (green  "banana"    )
   (red    "bonusblock")
 )

data/items/License.txt

@@ -1,9 +1,10 @@
 All models are released under GPL except :
 
-* bubblegum.ac
+* bubblegum.ac, nitrotank-big.ac, nitrotank-small.ac
     created by MiniBjorn (c) 2008
     released under Creative Commons Attribution-Share Alike 3.0 [http://creativecommons.org/licenses/by-sa/3.0/]
 
 * banana.ac
     created by horace aka thomas oppl (toppl@fh-sbg.ac.at) (c) 2008
-    released under Creative Commons Attribution-Share Alike 3.0 [http://creativecommons.org/licenses/by-sa/3.0/]
+    released under Creative Commons Attribution-Share Alike 3.0 [http://creativecommons.org/licenses/by-sa/3.0/]
+