Update your_first_block.rst
Merge pull request #117 from Im0rtality/patch-1

Update your_first_block.rst
Refactored by adding block container to block bundle
Merge pull request #118 from Bladrak/blockContainer

Refactored by adding block container to block bundle
Added block_container to twig helper
Merge pull request #119 from Bladrak/blockContainerTemplateTwig

Added block_container to twig helper
Merge branch 'sonata-project/master'