refactor(css): new layout
refactor(*): use IIFEs and Voronoi namespace

+ store context in city
style(*)
refactor(settings): put settings into module + misc
feat(settings): more settings
refactor(*): rename, move settings, Scatter algo
feat(settings): Delaunay settings
refactor(voronoi): allow for generator to be reset
feat(sidebar): add controls
feat(app): nextStep, reset, generate
feat(app): more controls and tweaks
feat(voronoi): manual mode drawing
fix(voronoi): reset delaunay variables
fix(delaunay): draw distinct steps in manual mode
feat(settings): persist and restore w/ localStorage
fix(app): cross-browser fixes
docs(README): update usage info
Merge pull request #1 from axelboc/feat-customisation

Interface and code refactoring