Add a code-smell test for smart quotes and remove smart quotes from all files

lib/ansible/modules/web_infrastructure/gunicorn.py

@@ -50,7 +50,7 @@ options:
   worker:
     choices: ['sync', 'eventlet', 'gevent', 'tornado ', 'gthread', 'gaiohttp']
     description:
-      - 'The type of workers to use. The default class (sync) should handle most “normal” types of workloads.'
+      - 'The type of workers to use. The default class (sync) should handle most "normal" types of workloads.'
   user:
     description:
       -  'Switch worker processes to run as this user.'

lib/ansible/modules/web_infrastructure/letsencrypt.py

@@ -20,9 +20,9 @@ author: "Michael Gruener (@mgruener)"
 version_added: "2.2"
 short_description: Create SSL certificates with Let's Encrypt
 description:
-   - "Create and renew SSL certificates with Let's Encrypt. Let’s Encrypt is a
+   - "Create and renew SSL certificates with Let's Encrypt. Let's Encrypt is a
       free, automated, and open certificate authority (CA), run for the
-      public’s benefit. For details see U(https://letsencrypt.org). The current
+      public's benefit. For details see U(https://letsencrypt.org). The current
       implementation supports the http-01, tls-sni-02 and dns-01 challenges."
    - "To use this module, it has to be executed at least twice. Either as two
       different tasks in the same run or during multiple runs."