Default favicon should be changed
Unused use statement should be avoided
Commented code should not be commited
Updated global configuration files
Symfony applications should not contain a config.php file
Update config deployment
Update database config deployment
Added .insight.yml
Fixed checkstyle warnings
Sensitive data should not be present in non-parameter configuration files
Merge branch '2.3' into 2.4

Conflicts:
	web/app.php
Updated security.yml
Merge branch '2.3' into 2.4