Changes to render, added viz. of Dolfin funciton, particles is kind of working
some volume rendering is now working
Merge branch 'develop' of https://github.com/ahellander/pyurdme into develop
Merge pull request #121 from briandrawert/develop

remove Dolfin debug logging from IPython notebooks
Particle rendering and 3D opaque PDE style plots working
Merge pull request #44 from ahellander/develop

Develop