Add a "partners" section with project partners before funding

[Roberto Toro]

Groupe de neuroanatomie appliquée et théorique, Institut Pasteur, France (Roberto Toro)
Neuroinformatics research group, Radboud University Nijmegen, The Netherlands (Paul Tiesinga).
MIRCen, Commisariat aux Énergies Alternatives, France (Thierry Delzescaux)
McGill Centre for Integrative Neuroscience, Quebec, Canada (Alan Evans)

[katja heuer]

Thanks! Done in push 4c03f4c commit 7c5d3e6