return early
fixes typo
code formatting
improves BBCode-tag handling quotes
updates cakes CSS for debug output
removes dead code
tightens username validadation
formats code
bumps version string
Merge branch 'release/3.1.1' into develop
naive implementation with normalized DB backend

CREATE TABLE `user_read` (
  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `user_id` int(11) NOT NULL,
  `entry_id` int(11) NOT NULL,
  PRIMARY KEY (`id`),
  KEY `user_id` (`user_id`)
) ENGINE=InnoDB  DEFAULT CHARSET=utf8 ;