* Added promotional content in main landing page with new tab and few code cleanup
* Done the bug fixings and plugin file update in 1.3.2 issue resolved
* force_ssl_login issue updated
* Done the bug fixings for the login redirect issue occuring for the google login.
* Updated the note section for twitter app creation for the "Callback locking" functionality.
* Done the bug fixings for declaration of OAuthException class if class already exist.
* Done the update of the Facebook SDK to latest.
* Done the bug fixings for the error appearing "force_ssl_login" deprecation.
* Updated the information about the creation of the facebook app for social login.
* Done the bug fixings for the issue appearing for the facebook login when "Strict mode for Redirect URIs" is enabled.
* Fixed the height and width of the popup window that is causing issue "Your popup is too small to display this page. Please enlarge it to proceed." for facebook login.
* Added the ajax verification of username so that page shouldn't reload for the username exist error message.
* Bug fixing for the disappear of the tab when opening the page by clicking from external link source.
* Done the modification of the callBackUrl function to work with custom login url.
* Fixed the issue appearing for the database insert error due to gender input field.
* Fixed the display of the error message when user deny the authorization of the app for login.
