Refactor userrel.py.
Add each_<userrel>() method.
Add permissions to moderator relations and VSrModerator.
Add moderator permission for flair.
Add moderator permission for posts (approve/remove/distinguish/nsfw).
Add permissions editing to the edit moderators page.
Add moderator permission for access (bans, contributors, etc.).
Add moderator permission for managing subreddit config.
Move permissions (and related strings) to lib.
Add moderator permission for mail.
Add get method to StringHandler.
Make sure is_moderator always returns permissions support.
Explicitly import permission set definitions in validator.py.
Check for posts permission in spam/reported/modqueue/unmoderated queries on multireddits and /r/mod.