Documentation fixes

Documentation Task-List

• RST file for Inverse Kinematics
• Add citiation in the Pyramid topology to this paper
• Use command style in the doc string’s “subject line”(PEP257)
• Update documentation and docstrings using http://www.hemingwayapp.com/ (Readability ~Grade 9)
• Merge (file merge, not git merge! 😆 ) basic_optimization example with **kwargs example (add RST file too)
• Note on large boundaries, etc. (see #152)
• Note on precision and overflow (see #152)
• Note on creating custom-objective function (return value should be (n_particles) see #109 )
• Update README (put Siobhan and Aaron as Collaborators).

[whzup]

What do you think about adding PEP257 conformity, @ljvmiranda921?

[whzup]

We should run flake8 once more before release 😄. Don’t know if this belongs here, though. I don’t know what some things do that flake8 wants to be changed so I’d rather give this to someone who knows what he’s doing there 😆.