Merge pull request #178 from AntonShevchuk/master

Removed triggers call from Layout
Merge pull request #179 from AntonShevchuk/master

Fixed layout for error page
Fixed JSON response
Merge pull request #183 from AntonShevchuk/master

Updated docs blocks
Added protected fields to Application - dispatchModule and dispatchController - this fields stored information about latest dispatched controller
Added PHP 5.6 and hhvm to travis configuration
Updated docs block for PHPDocumentor format