DOC: Qt instructions also added to IPython tutorial
DOC: Qt instructions also added to IPython tutorial

ContinuumIO/chaco,tommy-u/chaco,tommy-u/chaco,ContinuumIO/chaco,ContinuumIO/chaco,ContinuumIO/chaco,tommy-u/chaco,burnpanck/chaco,burnpanck/chaco,burnpanck/chaco