Fixes #5172: Run the ncf api as the ncf-api user instead of the httpd one and add the configuration repository to the rudder group
Merge pull request #422 from Kegeruneku/bug_5172/int/5172_use_ncf_instead_of_apache_user_for_ncf_api

Fixes #5172: Run the ncf api as the ncf-api user instead of the httpd on...