Better README.

web_graph_improved/README.md

@@ -1,7 +1,15 @@
 Charts, Improved.
 =================
 
-Various improvements to the graph view:
+Improve the charting capabilities of Odoo.
 
- * Bar: can plot multiple variables (called measures in the odoo client)
-   when there is only one row group
+Implemented features:
+ * Plot multiple variables (called measures in the odoo client) with bar charts
+   using grouped bars.
+
+Planned:
+ * Plot multiple measures on line charts
+ * Scatter/Bubble chart
+ * Sunburst ("grouped Pie chart")
+ * Bullet Chart
+ * Stacked bar chart