Add config.yml file
Update project description
Add symfony/yaml component
Add symfony/yaml directory
Add config.yml file
Initialize configFile variable
Parse config.yml file
Pass config as constructor argument to Application object
Read config constructor argument on Application object
Init environment & version variables from config data
Set version & environment from variables
Update ApplicationTest class
Add config array on test
Replace var env with environment
Merge pull request #269 from jmolivas/add-config-file

Add config file