Updated feature: Cerber Theme
Updated feature: Amended Russian
Updated feature: Amended README
Updated feature #482: New Gravatar settings
Fixed issue: Added user nick for default avatar
Updated feature: Gleez Gravatar v1.2.0

Added some helpers:
-------------------
+ Gravatar::getEmailHash     - Get the email hash to use
+ Gravatar::getEmail         - Get the email of currently user
+ Gravatar::getDefaultImage  - Get the current default image
+ Gravatar::setEmail         - Set the email address for current user
+ Gravatar::setDefaultImage  - Set the default image to use for avatars
+ Gravatar::setRating        - Set the maximum allowed rating for avatars
+ Gravatar::setForceDefault  - Forces gravatar to display default image
+ Gravatar::useSecureURL     - Check if we are using the secure protocol
+ Gravatar::enableSecureURL  - Enable the use of the secure protocol
+ Gravatar::disableSecureURL - Disable the use of the secure protocol
+ Gravatar::isForceDefault   - If need to force the default image

Fixes & additions
-------------------------
+ Redesigned class params
+ Redesigned config
+ Added Gravatar::HTTP_URL
+ Added Gravatar::HTTPS_URL
+ Minor fixes