Updated translation: Removed not needed strings
Updated feature: Updated Mbstring check
Updated feature: Updated systemcheck view
Updated translation: Amended Russian
Updated feature: Improved getting environment variable
Merge pull request #561 from sergeyklay/installer

Improved Installer
Merge pull request #563 from sergeyklay/feature-error-handle

Removed system/http/exception
Merge pull request #564 from sergeyklay/feature-getenv

Improved getting GLEEZ_ENV
Fixed issue: Rollback $_SERVER instead getenv()
Merge pull request #565 from sergeyklay/feature-getenv

Fixed issue: Rollback $_SERVER instead getenv()
Fixed issue: Removed gleez namespace for Email class
Fixed issue: Fixed PHPDoc

Removed not needed $config
Updated feature: Updated PHPMailer class from github/master
Updated feature: Modified message
Fixed issue: Added missing i18n support for mail
Fixed issue: Fixed PHPDoc
Fixed issue: Gleez Email v1.1.3

+ Fixed charset
+ Bump version
+ Added log destination instead 'echo'
+ Fixed method calls in accordance with the new API
+ Fixed PHPDoc
Updated feature: PHPMailer 5.2.7
Updated translation: Amended Russian
Fixed issue: Fixed PHPMailer bug  associated with incorrect coding header. and therefore, if the title is uses not only Latin characters - it will be unreadable