Add more config locations for Laravel projects

Signed-off-by: Peter Legierski <peter@legierski.net>
Bump version to 3.1.1

Signed-off-by: Peter Legierski <peter@legierski.net>
Update changelog

Signed-off-by: Peter Legierski <peter@legierski.net>
Merge branch 'hotfix-config-locations'