Formatting according to PEP-8 using autopep8

I've added a `setup.cfg` file with `[pep8]` section to make it use the
120-char line length limit we have for all Blender/Python scripts.

benchmark/submission/appdirs.py

@@ -28,11 +28,11 @@ if PY3:
 if sys.platform.startswith('java'):
     import platform
     os_name = platform.java_ver()[3][0]
-    if os_name.startswith('Windows'): # "Windows XP", "Windows 7", etc.
+    if os_name.startswith('Windows'):  # "Windows XP", "Windows 7", etc.
         system = 'win32'
-    elif os_name.startswith('Mac'): # "Mac OS X", etc.
+    elif os_name.startswith('Mac'):  # "Mac OS X", etc.
         system = 'darwin'
-    else: # "Linux", "SunOS", "FreeBSD", etc.
+    else:  # "Linux", "SunOS", "FreeBSD", etc.
         # Setting this to "linux2" is not ideal, but only Windows or Mac
         # are actually checked for and the rest of the module expects
         # *sys.platform* style strings.
@@ -41,7 +41,6 @@ else:
     system = sys.platform
 
 
-
 def user_data_dir(appname=None, appauthor=None, version=None, roaming=False):
     r"""Return full path to the user-specific data dir for this application.
 
@@ -364,6 +363,7 @@ def user_log_dir(appname=None, appauthor=None, version=None, opinion=True):
 
 class AppDirs(object):
     """Convenience wrapper for getting application dirs."""
+
     def __init__(self, appname, appauthor=None, version=None, roaming=False,
                  multipath=False):
         self.appname = appname
@@ -390,7 +390,7 @@ class AppDirs(object):
     @property
     def site_config_dir(self):
         return site_config_dir(self.appname, self.appauthor,
-                             version=self.version, multipath=self.multipath)
+                               version=self.version, multipath=self.multipath)
 
     @property
     def user_cache_dir(self):
@@ -479,6 +479,7 @@ def _get_win_folder_with_ctypes(csidl_name):
 
     return buf.value
 
+
 def _get_win_folder_with_jna(csidl_name):
     import array
     from com.sun import jna
@@ -505,6 +506,7 @@ def _get_win_folder_with_jna(csidl_name):
 
     return dir
 
+
 if system == "win32":
     try:
         import win32com.shell