Merge pull request #502 from sergeyklay/master

Better website experience for IE users
Merge pull request #503 from sergeyklay/master

Shorten the name of the DIRECTORY_SEPARATOR constant
Merge pull request #504 from sergeyklay/master

Config::load instead Kohana::$config->load
Merge pull request #505 from sergeyklay/master

Media fixes
Merge pull request #506 from sergeyklay/master

Gleez Gravatar v1.4.0
Merge pull request #507 from sergeyklay/master

Fixes & Additions