improved presentation for squarepoint

makefile

@@ -1,11 +1,11 @@
 pres:
-	env/bin/ipython3 nbconvert presentation.ipynb --to slides --template output_toggle 
+	env/bin/jupyter-nbconvert presentation.ipynb --to slides --template output_toggle
 
 test:
 	env/bin/nosetests
 
-ipython:
-	env/bin/ipython3 notebook
+notebook:
+	env/bin/jupyter-notebook
 
 serve: reveal.js
 	echo "browse to http://localhost:2000/presentation.slides.html"
@@ -14,7 +14,7 @@ serve: reveal.js
 env: reveal.js
 	virtualenv --python=python3 env
 	env/bin/pip install -r requirements.txt
-	
+
 
 reveal.js:
 	git clone https://github.com/hakimel/reveal.js.git