Updates the Map wiki entry for version 0.3.0

Map_V0.3.0.md

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+**Version:** 0.3.0
+
+Map
+---
+
+The map displays any decoded messages that contain location data like GPS positions.
+
+The map component uses [aliases](Aliases_V0.3.0) to determine the display label, icon 
+and color to use when plotting decoded messages.  Update messages from the same 
+entity are chained together.
+
+The map uses map tiles from the open street map server.  If you do not have an 
+internet connection, no map data will be displayed, however decoded messages 
+will be plotted.
+
+#### Default Location and Zoom
+Drag the map to re-center the view and use the mouse wheel to zoom in or out.  
+Right-click on the map to store the location and zoom level as the map default.
+
+![Map Display](images/Map_V0.3.0.png)
+
+**Figure 1:** Map Display