#44: drush command twig:doc
Revert "#44: drush command twig:doc"

This reverts commit 7dd7c55025bdfda21a5774bdf2aa4a7eb789519b.
#46: Try HHVM on Travis.
New service: container.
New service: container.
Merge pull request #52 from andytruong/features/51-container-service

New service: container.
Faster for caching feature test-cases.
Faster for caching feature test-cases.
Clean up test case for base functions, helper classes.
Clean up test case for base functions, helper classes.
Merge easy-block test case to main test case class.
Merge autoload test case to main test class.
Merge autoload test case to main test class.
Merge pull request #50 from andytruong/features/46-hhvm

#46: Try HHVM on Travis.
Merge pull request #55 from andytruong/features/54-faster-test-cases

Features/54 faster test cases
Update .travis.yml

Reopen PR #50
Start using SplClassLoader.
Remove old usage.
No PRS-0, quite hacky fix!
Merge pull request #56 from andytruong/features/cleanup-autoloader

Cleanup autoloader