4: It shoudl be possible to start SCViewer several times in parallel

Task-Url: https://github.com/eyck/txviewer/issues/issue/4

com.minres.scviewer.e4.product/scviewer.product

@@ -7,7 +7,7 @@
    </configIni>
 
    <launcherArgs>
-      <programArgs>-clearPersistedState
+      <programArgs>-clearPersistedState -data @none
       </programArgs>
       <vmArgsMac>-XstartOnFirstThread -Dorg.eclipse.swt.internal.carbon.smallFonts
       </vmArgsMac>