fix plotting linesDots' markers not following setting in db

closes #65 (closed)

Markers' color currently following markerfacecolor. However for small markers, their surface are covered mostly by edge which follows line's color. To solve the problem markeredgecolor have to be declared.

sohstationviewer/view/plotting/plotting_widget/plotting.py

@@ -272,7 +272,8 @@ class Plotting:
                                 linestyle='-', linewidth=0.7,
                                 zorder=constants.Z_ORDER['LINE'],
                                 color=clr[l_color],
-                                markerfacecolor=clr[d_color],
+                                mfc=clr[d_color],
+                                mec=clr[d_color],
                                 picker=True, pickradius=3)
         if linked_ax is None:
             ax.x = x