Merge pull request #279 from plotly/issue174

fixing issue Issue174 related to implicit functions

Author: xarico10

plotly/plotlyfig_aux/core/updateData.m

@@ -64,6 +64,8 @@
             updateStemseries(obj, dataIndex);
         case 'surfaceplot'
             updateSurfaceplot(obj,dataIndex);
+        case 'implicitfunctionline'
+            updateLineseries(obj, dataIndex);
 
             %--Plotly supported MATLAB group plot objects--%
         case {'hggroup','group'}