Merge pull request #6 from niden/master

Added Utils/Slug
Update Library/Phalcon/Mvc/View/Engine/Smarty.php
Merge pull request #7 from tmihalik/patch-1

Update Library/Phalcon/Mvc/View/Engine/Smarty.php
Update Library/Phalcon/Mvc/View/Engine/README.md
Merge pull request #8 from tmihalik/patch-2

Update Library/Phalcon/Mvc/View/Engine/README.md
Update Library/Phalcon/Mvc/View/Engine/Smarty.php
added smarty setOptions example to README
Merge pull request #10 from tmihalik/patch-4

added smarty setOptions example to README
Merge pull request #9 from tmihalik/patch-3

added setOptions to smarty engine
Updating twig adapter
Removing behaviors implementation
Updating year in docs
Updating Twig/Mustache adapters
Updating Twig/Mustache adapters (2)
Updating Twig/Mustache adapters (3)
Updating Twig/Mustache adapters (4)
Fixed Twig engine
Merge pull request #15 from Sirian/master

Fixed twig engine (doesn't work before)
Adding serializable result
Adding database logger