Bsb-core

* Added parallel neuron simulations

* Cilindrical targetting mechanism for devices.
* Fixed `scaffold simulate`

* Added changes for the hackathon.
* Fixed bugs that would have been encountered during the workshop.

* Added obfuscation scripts to create distributions that are obfuscated and
expire after a certain date.

* Fixed particle placement for layers that don't originate in the coordinate
system origin. (PR 150)
* Better NEST warnings/errors for module errors.
* CLI commands `compile` and `run` can resize the configuration with -x and -z.
* Switched to Travis CI
* Optimized AllToAll connectivity strategy.
* Sattelite placement strategy now respects simulation volume bounds.
* Addition of mossy fiber to glomerulus connectivity. (PR 167)
* Fixed some of the issues with ParticlePlacement.