Add a `restart()` command to ipcluster.py.
Add a Makefile target for restart.
Julia Set Demo: README, image, and numpy demo.
Julia set demo in IPython.parallel.
Merge branch 'master' into feature/ipcluster-restart
In ipcluster.py, detects EOF for stderr, sleeps in restart.
Merge branch 'master' into feature/ipcluster-restart

Conflicts:
	distarray/tests/ipcluster.py
Merge remote-tracking branch 'origin/master'
Julia set demo in distarray.
Add benchmark for distarray Julia set calc with dists vs engine #.

Benchmark Julia set calculations with various array distributions and
engine numbers.
Julia set - dist vs engine # benchmark plot.
Remove images from README
Merge pull request #133 from cowlicks/julia-set

Julia set Demo
Merge branch 'master' into bugfix/resolve-target-rank-mapping