Include prosody exception in lockdown

src/freedombone-utils-setup

         if [ -d /usr/lib/node_modules ]; then
             chmod -R 750 /usr/lib/node_modules/*
         fi
+        if [ -d /usr/lib/prosody ]; then
+            chown -R prosody:prosody /usr/lib/prosody
+        fi
     fi
     if [ -d /usr/lib64 ]; then
         chown -R root:root /usr/lib64/*