Prepare for 1.1.0 (#30)

* refactor the view inspection process to be more modular and allow recursive customization
* add operation_id argument to @swagger_auto_
* add inspections for min/max validators
* add support for URLPathVersioning and NamespaceVersioning
* integrate with djangorestframework-camel-case
* fix bugs, improve tests and documentation

docs/_templates/layout.html

@@ -0,0 +1,4 @@
+{% extends "!layout.html" %}
+{% block extrahead %}
+    <meta name="google-site-verification" content="saewLzcrUS1lAAgNVIikKWc3DUbFcE-TWtpyw3AW8CA" />
+{% endblock %}