Refactoring and making rtv OAuth-compliant

rtv/docs.py

@@ -1,6 +1,6 @@
 from .__version__ import __version__
 
-__all__ = ['AGENT', 'SUMMARY', 'AUTH', 'CONTROLS', 'HELP', 'COMMENT_FILE',
+__all__ = ['AGENT', 'SUMMARY', 'AUTH', 'OAUTH', 'CONTROLS', 'HELP', 'COMMENT_FILE',
            'SUBMISSION_FILE', 'COMMENT_EDIT_FILE']
 
 AGENT = """\
@@ -17,6 +17,11 @@ Authenticating is required to vote and leave comments. If only a username is
 given, the program will display a secure prompt to enter a password.
 """
 
+OAUTH = """\
+Authentication is now done by OAuth, since PRAW will stop supporting login with
+username and password soon.
+"""
+
 CONTROLS = """
 Controls
 --------