Tagged release of 2.2.0

Signed-off-by: Ian Lee <IanLee1521@gmail.com>

CHANGES.txt

 Changelog
 =========
+2.2.0 (2016-11-14)
+------------------
+
+Announcements:
+
+* Added Make target to obtain proper tarball file permissions; #599
+
+Bugs:
+
+* Fixed E305 regression caused by #400; #593
+
 2.1.0 (2016-11-04)
 ------------------

pycodestyle.py

@@ -66,7 +66,7 @@ try:
 except ImportError:
     from ConfigParser import RawConfigParser
-__version__ = '2.2.0.dev0'
+__version__ = '2.2.0'
 DEFAULT_EXCLUDE = '.svn,CVS,.bzr,.hg,.git,__pycache__,.tox'
 DEFAULT_IGNORE = 'E121,E123,E126,E226,E24,E704,W503'