Add AUTHORS file
* Update pylint defaults. * Configure postgres. * Create snippets project using django-rest-framework. * Add templates for twitter app. * Add decorator for deprecated functions. * Add profile/post model for twitter app. * Add IsOwnerOrReadOnly permission. * Add User/Post serializer to convert instance to json string and vice-versa. * Add User/Post list and detail class based views. * Add .gitignore. * Update python packages with versions in requirements.txt.