Add these new attributes (all default to true):
notebookSupport
qtconsoleSupport
pylabSupport
pylabQtSupport
This adds jinja2, matplotlib, pyqt4 and sip as new dependencies of
ipython.
This commit fixes "ipython --pylab" so that it no more errors out with
"ImportError: No module named matplotlib" (which was my initial goal).
IPython 0.13.1: minor bugfix release for 0.13, on October 20, 2012. This
release includes 41 Pull Requests and closing 21 Issues backported from
0.14-dev, including significant fixes for ipcluster and Python 3.3
compatibility.
