Update Application Kernel

Add more comments about altering the application configuration on-the-fly.
Commit Composer's Lock File

Update .gitignore to allow "composer.lock" to be committed, commit the lock file, and update the README with a short explaination.
Reformat Coding Standard

Update the Default controller to use the Javascript-style array tags, instead of the old PHP-style array tags.
Update Hello Template

Update the Twig comments, no structure changes at all.
Add Annotations Example

Add a new controller (Blog) to serve as an example file for controller/action annotations.
Add EditorConfig File

Add the ".editorconfig" file to maintain consistency among IDE's that support it.
Merge branch 'master' of github.com:noscosystems/symfony-minimal