Adapting the installation to the new user entity namespace
fix merge conflict
Merge commit '8bb62f5d73bca5547fc4355a0b54d949e588746a'

* commit '8bb62f5d73bca5547fc4355a0b54d949e588746a':
  Squashed 'Modules/Core/' changes from 8d6a3d5..86e93cf
Removing old composer file
Add composer file back
Use the environment variable as a check
Merge pull request #13 from AsgardCms/better-isIstalled-check

Better is istalled check