Version 0.3: Add a GUI for building SVGs.

New class SVGBuilderWidget for drawing new elements in the SVG. There
is a ToggleButtonsWidget to select the drawing mode, which attaches
different event listeners in Javascript for drawing the elements.

	modified:   .gitignore
	modified:   svgwidgets.js
	modified:   svgwidgets.py
	modified:   svgwidgets_example.ipynb

Author: nworbmot

.gitignore

@@ -2,4 +2,7 @@
 
 *.py[cod]
 
-.ipynb_checkpoints/
+.ipynb_checkpoints/
+
+
+todo.org