Changed the default installation directory for data files (used by

the "install_data" command to the installation base, which is usually just
sys.prefix.  (Any setup scripts out there that specify data files will have
to set the installation directory, relative to the base, explicitly.)

command/install.py

@@ -20,28 +20,28 @@ INSTALL_SCHEMES = {
         'platlib': '$platbase/lib/python$py_version_short/site-packages',
         'headers': '$base/include/python$py_version_short/$dist_name',
         'scripts': '$base/bin',
-        'data'   : '$base/share',
+        'data'   : '$base',
         },
     'unix_home': {
         'purelib': '$base/lib/python',
         'platlib': '$base/lib/python',
         'headers': '$base/include/python/$dist_name',
         'scripts': '$base/bin',
-        'data'   : '$base/share',
+        'data'   : '$base',
         },
     'nt': {
         'purelib': '$base',
         'platlib': '$base',
         'headers': '$base\\Include\\$dist_name',
         'scripts': '$base\\Scripts',
-        'data'   : '$base\\Data',
+        'data'   : '$base',
         },
     'mac': {
         'purelib': '$base:Lib',
         'platlib': '$base:Mac:PlugIns',
         'headers': '$base:Include:$dist_name',
         'scripts': '$base:Scripts',
-        'data'   : '$base:Data',
+        'data'   : '$base',
         }
     }