add atlas files in setup/manifest

Author: tito

MANIFEST.in

@@ -1,7 +1,7 @@
 include *AUTHORS *COPYING
 recursive-include doc *
 recursive-include examples *
-recursive-include kivy/data *.png *.jpg *.svg *.css *.ttf *.kv *.fs *.vs *.json *.gif
+recursive-include kivy/data *.png *.jpg *.svg *.css *.ttf *.kv *.fs *.vs *.json *.gif *.atlas
 recursive-include kivy/tools *.png *.txt *.bat *.sh *.py
 recursive-include kivy/tests *.py *.png
 recursive-include kivy *.pyd *.pyx *.c *.pxi *.h *.pxd

setup.py

@@ -243,6 +243,7 @@ def __init__(self, *args, **kwargs):
         'data/images/*.png',
         'data/images/*.jpg',
         'data/images/*.gif',
+        'data/images/*.atlas',
         'data/keyboards/*.json',
         'data/logo/*.png',
         'data/glsl/*.png',