Update composer.json
Fix for #67
Merge pull request #69 from Lexance/patch-1

Fix for #67
Merge pull request #66 from Lexance/master

NULL elements in block settings
Move all settings resolving to the BlockContextManager
cosmetics
add doctrine commin requirement to handle determing the class of block instances
Merge pull request #70 from sonata-project/block_settings

Block settings
fix api calls in previous commit
Partitial fix for #53