added new bowling ball by Unnamed + added license files + cleaned up collectibles that still beared an old name

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/trunk/supertuxkart@2461 178a84e3-b1eb-0310-8ba1-8eac791a3b58

data/bubblegum.projectile

@@ -1,9 +1,9 @@
 ;; -*- mode: lisp -*-
 
 (tuxkart-collectable
- (name "missile")
+ (name "Bubble Gum")
  (model "../items/bubblegum.ac")
- (icon  "missile.rgb")
+ (icon  "bubblegumicon.rgb")
  (speed 50.0)
  (min-height 0.3)
  (max-height 1.0)

data/cake.projectile

@@ -1,9 +1,9 @@
 ;; -*- mode: lisp -*-
 
 (tuxkart-collectable
- (name  "homing")
- (model "homingmissile.ac")
- (icon  "homingmissile.rgb")
+ (name  "cake")
+ (model "cake.ac")
+ (icon  "cakeicon.rgb")
  (speed          50.0)
  (min-height      0.2)
  (max-height      1.0)

data/items/License.txt

@@ -0,0 +1,9 @@
+All models are released under GPL except :
+
+* bubblegum.ac
+    created by Auria aka Marianne Gagnon (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/]

data/models/License.txt

@@ -0,0 +1,9 @@
+All models are released under GPL except :
+
+* bowling.ac, plunger.ac
+    created by UnNamed aka MiniBjorn (c) 2008
+    released under Creative Commons Attribution-Share Alike 3.0 [http://creativecommons.org/licenses/by-sa/3.0/]
+
+* cake.ac
+    created by Auria aka Marianne Gagnon (c) 2008
+    released under Creative Commons Attribution-Share Alike 3.0 [http://creativecommons.org/licenses/by-sa/3.0/]