Merge pull request #483 from sergeyklay/master

Some refactoring
Updated translation: Amended Russian
Updated feature: Gleez Gravatar v1.1.0

Added some helpers:
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Gravatar::getSize - Get the currently set avatar size
Gravatar::getRating - Get the current maximum allowed rating for avatars
Gravatar::getEmail - Get the email hash to use (after cleaning the string)
Gravatar::setSize - Set the avatar size to use

Updated methods:
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Gravatar::getURL
Merge pull request #484 from sergeyklay/gravatar

Gravatar additions
Updated feature: Replaced default avatar
Merge pull request #485 from sergeyklay/gravatar

User improvements
Updated feature: Added default avatar
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
Merge pull request #486 from sergeyklay/gravatar

Redesigned Gleez Gravatar
Fixed issue: Some Gravatar security fixes
Merge pull request #487 from sergeyklay/gravatar

Some Gravatar fixes