This allows removing the unix dependency for ipython-kernel, and seems
like the right thing to do as the Stdin module is very specific to the
case of running a Haskell kernel.

Generalize ihaskell-plot to work for all Figure types

* Try to fix issue with `cabal configure --enable-tests' on travis.

* Remove upper bounds for version of ihaskell from ihaskell-rlangqq,
  taking cue from the other ihaskell-* packages.

* Fix formatting issues with IHaskell.Display.Plot.

Rename linux-install.sh to ubuntu-install.sh

Fix typo

Correct filename to that which exists in master branch of the repo.

Improving module loading; fixes #312

Format all src

Final (hopefully) fix of Linux installation scripts.

Enforce proper formatting

Jupyter with completion