TRIV: Rename README so that GitHub parses as reST
minor restructuring of robot_continuous
more visualization in robot_continuous
shorten lines in prop2part, minor other changes
DOC: Epydoc no longer parses tulip/polytope/{esp,quickhull}.py
DOC: Initialize bibliography
DOC: Change to style like BibTeX alpha.bst

Also, I wrote instructions concerning this style and how to include
references in docstrings.
shorter lines in discretize
extract trans update as function
style discretize
extract function reachable_within
filter state props
extract function sym_adj_change
Merge branch 'overhaul' of https://github.com/tulip-control/tulip-control into overhaul
style discretize
rename function to solve_feasible
extract function solve_feasible_closed_loop
extract function volumes_for_reachability
polytope: shorter lines and style
polytope.plot: shorter lines & minor refactoring