Tidying

src/freedombone-app-matrix

@@ -625,10 +625,16 @@ function install_matrix {
     pip install --upgrade python-ldap
     pip install --upgrade lxml
 
+    function_check install_home_server
     install_home_server
+
+    function_check install_identity_server
     install_identity_server
 
+    function_check update_default_domain
     update_default_domain
+
+    function_check matrix_nginx
     matrix_nginx
 
     if [[ $(add_user_matrix "${MY_USERNAME}" "${MATRIX_PASSWORD}" | tail -n 1) != "0" ]]; then