Ensure no carriage return in qr code

src/freedombone-app-syncthing

     clear
     echo $'Your Syncthing ID code'
     echo ''
-    echo "$SYNCTHING_ID" | qrencode -t UTF8
+    echo -n "$SYNCTHING_ID" | qrencode -t UTF8
     echo ''
     read -n1 -rsp $"Press any key to continue..." key
 }

src/freedombone-controlpanel

     echo $'Tripwire Verification Code'
     echo ''
     DBHASH=$(sha512sum  /var/lib/tripwire/${HOSTNAME}.twd)
-    echo "$DBHASH" | qrencode -t UTF8
+    echo -n "$DBHASH" | qrencode -t UTF8
     echo ''
     echo "$DBHASH"
     echo ''