Changed Kivy recipe to use 1.9.1

This is necessary for now, as the Android build has been broken by the opengl changes.

Author: inclement

pythonforandroid/recipes/kivy/__init__.py

@@ -7,7 +7,8 @@
 
 class KivyRecipe(CythonRecipe):
     # version = 'stable'
-    version = 'master'
+    # version = 'master'
+    # version = '1.9.1'
     url = 'https://github.com/kivy/kivy/archive/{version}.zip'
     name = 'kivy'