Update version to 2.0.0

Author: SpencerOfwiti

src/nginx/HISTORY.rst

@@ -3,7 +3,7 @@
 Release History
 ===============
 
-2.0.1
+2.0.0
 ++++++
 * Added support for Web Application Firewall (WAF) v2 with static analysis.
 

src/nginx/setup.py

@@ -16,7 +16,7 @@
 
 # TODO: Confirm this is the right version number you want and it matches your
 # HISTORY.rst entry.
-VERSION = '2.0.1'
+VERSION = '2.0.0'
 
 # The full list of classifiers is available at
 # https://pypi.python.org/pypi?%3Aaction=list_classifiers