Add png icons

setup.py

@@ -1,6 +1,7 @@
 #! /usr/bin/env python
 
 from distutils.core import setup
+
 from youtube_dl_gui import (
     __author__,
     __appname__,
@@ -12,14 +13,30 @@ from youtube_dl_gui import (
     __descriptionfull__
 )
 
-setup(name=__appname__,
-      version=__version__,
-      description=__description__,
-      long_description=__descriptionfull__,
-      license=__license__,
-      author=__author__,
-      author_email=__contact__,
-      url=__projecturl__,
-      packages=['youtube_dl_gui'],
-      data_files=[('lib/python2.7/site-packages/youtube_dl_gui/icons',
-                   ['youtube_dl_gui/icons/youtube-dl-gui.ico'])])
+setup(
+    name=__appname__,
+    author=__author__,
+    url=__projecturl__,
+    version=__version__,
+    license=__license__,
+    author_email=__contact__,
+    description=__description__,
+    long_description=__descriptionfull__,
+    packages=['youtube_dl_gui'],
+    data_files=[
+        (
+            'lib/python2.7/site-packages/youtube_dl_gui/icons',
+            [
+                'youtube_dl_gui/icons/youtube-dl-gui.ico',
+                'youtube_dl_gui/icons/youtube-dl-gui_16x16.png',
+                'youtube_dl_gui/icons/youtube-dl-gui_24x24.png',
+                'youtube_dl_gui/icons/youtube-dl-gui_32x32.png',
+                'youtube_dl_gui/icons/youtube-dl-gui_48x48.png',
+                'youtube_dl_gui/icons/youtube-dl-gui_64x64.png',
+                'youtube_dl_gui/icons/youtube-dl-gui_96x96.png',
+                'youtube_dl_gui/icons/youtube-dl-gui_128x128.png',
+                'youtube_dl_gui/icons/youtube-dl-gui_256x256.png'
+            ]
+        )
+    ]
+)