Removed all @author flags + key attributes cleanup for internal & hooks plugins
Fix class definition
Fix code indentation, some bad whitespaces and missing authors + use 'not' instead 'is None' + replace __pattern__'s r" with r' + other minor cosmetics
Prefer single quote for dict key name
Key attributes cleanup for account, container and crypter plugins
[UpdateManager] Fix https://github.com/pyload/pyload/issues/687