Updated feature: getVersion refactoring

Changed version, renamed get_version as getVersion, moved from Kohana class FILE_SECURITY constant.
Note: now appeal to the FILE_SECURITY possible through Gleez::FILE_SECURITY.
Updated feature: Moved FILE_SECURITY
Updated feature: Gleez::getVersion refactoring
Updated feature: Removed FILE_SECURITY
Fixed issue: Amended PHPDoc
Updated feature: Moved FILE_SECURITY
Updated feature: Removed old Feed helper
New feature: Added abstract Feed class for RSS & Atom
New feature: Added RSS news aggregator without Atom dependency

Note: For Atom need to use Gleez_Atom.
  // For example:
  Feed::instance('atom');
New features: Initial commit for Feed Exeption class
Updated feature: Now Controller_Feeds_Template use new Feed class

Controller specifies the name of route and create an object of the same name.
NOTE: Controller uses Feed::instance method and CAN USE similar routes:

Route::set('rss', '....', array(...))
Route::set('atom', '....', array(...))
Updated feature: Gleez::getVersion refactoring
Updated translation: Amended Russian
Updated feature: Amended Russian
Fixed issue: Fixed typo in settings view
Updated feature: Changed page title
Merge pull request #420 from sergeyklay/master

Feed 2.0