improve delimited text plugin ui and allow skipping lines

git-svn-id: http://svn.osgeo.org/qgis/trunk@14642 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: jef

src/plugins/delimited_text/qgsdelimitedtextplugin.cpp

@@ -124,7 +124,7 @@ void QgsDelimitedTextPlugin::run()
   connect( myQgsDelimitedTextPluginGui,
            SIGNAL( drawVectorLayer( QString, QString, QString ) ),
            this, SLOT( drawVectorLayer( QString, QString, QString ) ) );
-  myQgsDelimitedTextPluginGui->show();
+  myQgsDelimitedTextPluginGui->exec();
 }
 //!draw a vector layer in the qui - intended to respond to signal
 //sent by diolog when it as finished creating a layer