hybridauth 7.x-2.9

Changes since 7.x-2.8:

- Improved logic in hybridauth.close.js
- Changed default username pattern to "[user:hybridauth:firstName] [user:hybridauth:lastName]"
- Added Variable module integration.
- Implemented #2157359: Email verification template - email verification template.
- For the #2139979: Cannot authenticate user through social net - implemented menu argument loader.
- Fixed #2178355: Use "once" for on click behavior - added classes to prevent wrong behaviours attachment
- Implemented #2193589: Customizable query arguments for the auth window - added #hybridauth_query property to add custom query parameters
- New feature - login through HybridAuth in maintenance mode.
- Implemented #2214109: Widget weight >100 - widget weight > 100
- Implemented #2214615: Make role selecting required and #2214617: Select single role - make role selection required, allow to select only one role.
- New feature - don't allow to enable providers without provider implementation file.
- Implemented #2158199: Better icons sets using fonts with Zocial library - added Zocial icon pack. Added 2 callback functions to icon_pack plugins - 'initialize_callback' and 'icon_classes_callback'.
- by klausi and duozersk: Use a high default weight for disabled providers so that they sink down.
- by klausi and duozersk: Added admin forms validation functions to not set empty and unneeded variables; improved function doc blocks.
- by klausi and duozersk: Added update function to cleanup unused variables.
- #2164869: Adding support for DrupalOAuth2 provider by dashohoxha: Change package name to HybridAuth
- #2164869: Adding support for DrupalOAuth2 provider by dashohoxha and duozersk: Added hook_hybridauth_provider_config_alter().
- Added new ctools plugin type - provider. Added several providers, including DrupalOAuth2
- Added icon classes callback for provider plugins - to modify provider icon classes. Added 'vk' class for Vkontakte provider in Zocial icon pack.
- Fixed #2235335: Menu Permissions Incorrect - changed menu access permissions
- Fixed #2234903: Cannot de-select an authentication service - unable to disable provider; unable to unset provider values.
- Fixed #2241161: Notice: Undefined property: stdClass::$error - notice on the hybridauth url to managed file rule action
- Fixed #2164855: Problems with HTTPS and possible conflict with Secure Pages module - HTTPS with normal session IDs and secure session IDs
- Fixed #2262131: No username if pattern fields aren't present (patch inside) - fallback for the display name
- by a.milkovsky and duozersk: Implemented #2288331: Use normal page render for additional info form - Use normal page render for the additional info form.
- Changed HybridAuth login block rendering - now it can be cached.
- Implemented #2296133: Check profile directory when looking for a library - Check for profile directory when looking for library
- Fixed #2296155: The return to URL contains language prefix - removed language prefix from the "return to" URL