task-1462: add foreman hostgroups in project setup; compare replacements

config/lang/de.json

config/lang/en.json

public_html/deployment/classes/Spyc.php

public_html/deployment/classes/config-replacement.class.php

public_html/deployment/classes/foremanapi.class.php

public_html/deployment/classes/htmlguielements.class.php

public_html/deployment/classes/project.class.php

public_html/deployment/main.css

public_html/deployment/pages/act_build.php

public_html/deployment/pages/act_htmltest.php

public_html/deployment/pages/act_overview.php

public_html/deployment/pages/act_phase.php