Updated comments blocks
Added Memcached as suggest package to composer.json
Fixed codestyle for PHP Analyser
Fixed codestyle for PHP Analyser
Removed system() method from View package. Use Registry instead
Fixed __sleep for View
Updated comments blocks for View Helpers
Small fix
Hotfix of HeadStyle View Helper
Fixed codestyle
Merge pull request #193 from AntonShevchuk/master

Removed private system() method from View package. Use Registry instead
Updated comments blocks and codestyle