start visitors on Welcome.ipynb
Merge pull request #35 from minrk/welcome-start

start visitors on Welcome.ipynb
Dependencies needed by example notebooks
Merge pull request #38 from rgbkrk/example_deps

Dependencies needed by example notebooks
Update install_github syntax for IRKernel

Apparently the `install_github` syntax has changed in the last few days.
Install Julia.
Checkout @Carreau's branch and install the kernel
Install nettle, kernel now detected directly
direct kernel, install IJulia and Gadly via add