Grammar and style fixes

Author: Olivier Gambier

README.md

@@ -11,7 +11,7 @@ As the documentation evolves with different registry versions, be sure that befo
  * check which version of the registry you are running
  * switch to the corresponding tag to access the README that matches your product version
 
-The stable, released version, is the [0.8.1 tag](https://github.com/docker/docker-registry/tree/0.8.1).
+The stable, released version is the [0.8.1 tag](https://github.com/docker/docker-registry/tree/0.8.1).
 
 Please also have a quick look at the [FAQ](FAQ.md) before reporting bugs.
 

docker_registry/lib/config.py

@@ -94,7 +94,7 @@ def _init():
 
     conf = Config(f.read())
     if flavor:
-        if not flavor in conf:
+        if flavor not in conf:
             raise exceptions.ConfigError(
                 'The specified flavor (%s) is missing in your config file (%s)'
                 % (flavor, config_path))

docker_registry/wsgi.py

@@ -7,12 +7,11 @@
     gevent.monkey.patch_all()
 
 # start new relic if instructed to do so
+from .extensions import factory
 from .extras import newrelic
 from .server import env
 newrelic.boot(env.source('NEW_RELIC_CONFIG_FILE'),
               env.source('NEW_RELIC_LICENSE_KEY'))
-
-from .extensions import factory
 factory.boot()
 
 import logging