Don’t let non-government users request to go live

Only users who work for government can accept the terms of use. This
will save us from having to email these requesters back telling them
they need to find someone else to submit the request.

app/main/views/service_settings.py

@@ -147,6 +147,10 @@ def request_to_go_live(service_id):
 @login_required
 @user_has_permissions('manage_service')
 def submit_request_to_go_live(service_id):
+
+    if not current_user.is_gov_user:
+        abort(403)
+
     form = RequestToGoLiveForm()
 
     if form.validate_on_submit():