Changed uLogin block rendering.
Implemented [#2287799] - added [HTTP_REFERER] support for destination after login
Display name pattern is now optional.
Implemented [#2194801] - allow login in maintenance mode.
Fix for [#2152769] - changed ulogin_username_alter().
Changed 'x-ulogin-params' to 'data-ulogin' and '&' to ';'
Added debug info printing to watchdog on error
Added support for googleplus auth providers
Added support for foursquare and tumblr auth providers
Fix for [#1908574]
Moved uLogin admin pages under User management
Some code reformatting
Fix for [#1907224] - notice in user profile alter function
Follow-up to the previous commit - chenged url to file_create_url in one
more place + removed not needed parameters
Fix for [#1827902] - changed url to file_create_url
Added form weights on 'uLogin identities' tab
Added check for a blocked user account - see [#1813920]
Rolled back code reorganization - causes different function not found
Rolled back some code reorganization
Wrapped module_load_include into hook_init().
Changed one menu item to MENU_CALLBACK
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