fixes global help button is not activated on answering form
popup help link opens in new window
removes REGEX from User->UserOnline
adds psql to travis
fixes UserOnline table structure

DROP TABLE IF EXISTS `useronline`;

CREATE TABLE `useronline` (
  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
  `uuid` varchar(32) COLLATE utf8_unicode_ci NOT NULL DEFAULT '',
  `user_id` int(11) DEFAULT NULL,
  `logged_in` tinyint(1) NOT NULL,
  `time` int(14) NOT NULL DEFAULT '0',
  `created` datetime DEFAULT NULL,
  `modified` datetime DEFAULT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `uuid` (`uuid`),
  KEY `user_id` (`user_id`),
  KEY `logged_in` (`logged_in`)
) ENGINE=MEMORY AUTO_INCREMENT=42 DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
matching strict record types
fields should be array, not long string
additional fields should be array, not long string
fixes empty id in category change
fixes bookmark index title for pgsql
renames table indices for prsql
changes fields entries.last_answer and entries.edited to default null
fixes time fields in users for pgsql
fixes field types for prsql
sets activate code to default 0
create users in dummy shell
sorts /users/index always alphabetically after primary sort parameter
validates username as unique ci
fixes failing pgsql test cases
improves mysql trait