Merge pull request #6 from sergeyklay/master

Minor changes
Cleaned code, modified  var type
Cleaned code, added  `_set_locale()` method, i18n settings
Merge pull request #10 from sergeyklay/next

The first step to clean up the code, added transparent localization
Moved configs from Core
Minor changes in Welcome Comtroller
Merge pull request #11 from sergeyklay/next

Moved configs from Core
Cleaned code & deleted not needed in Gleez Init
Updated Tweeter Bootstrap
Cleaned Media Controller, minor fixes
Cleaned Gleez Template, deleted not needed code, minor changes
Merge pull request #12 from sergeyklay/next

Clean up the code, minor changes
Minor fiexes in Gleez Template.
Cleaned code, added phpdoc in Admin Dashboard Controller.
Merge pull request #13 from sergeyklay/next

Minor changes
Added Gleez System class helper
Cleaned SystemInfo Widget.
Moved mkdir() method from Media Controller to System Helper
Fixed typo.
Merge pull request #14 from sergeyklay/next

Added Gleez System Class Helper