Merge branch 'feature/ISSUE-191_subprojects-for-approved-projects' into 'main'

...c/webreg/bean/project/UserEditLocalProjectAdminsBean.java

...kit/scc/webreg/bean/project/UserProjectCreateNewBean.java

...kit/scc/webreg/bean/project/UserShowLocalProjectBean.java

.../scc/webreg/bean/project/UserSubprojectCreateNewBean.java

...ces/META-INF/resources/primefaces-kit-theme/theme-old.css

bwreg-webapp/src/main/resources/msg/messages_de.properties

bwreg-webapp/src/main/resources/msg/messages_en.properties

bwreg-webapp/src/main/resources/msg/messages_fr.properties

...pp/src/main/webapp/admin/project/show-local-project.xhtml

...ain/webapp/project/connect-local-project-to-service.xhtml

...g-webapp/src/main/webapp/project/create-new-project.xhtml

...ebapp/src/main/webapp/project/create-new-subproject.xhtml

...p/src/main/webapp/project/edit-local-project-admins.xhtml

bwreg-webapp/src/main/webapp/project/index.xhtml

bwreg-webapp/src/main/webapp/project/invite-to-project.xhtml

...g-webapp/src/main/webapp/project/show-local-project.xhtml