Cleaned up the merge of the linesweep and voronoi labs.
Restructured existing solution files in the linesweep lab.
More restructuring of the solutions.
Moved voronoi solutions into linesweep solutions notebook.
Removed old voronoi lab.
Small spacing fix.
More restructuring of the solutions file.
More spacing fixes.
Merge branch 'master' into linesweep
Merge branch 'master' into linesweep
Merge branch 'master' into linesweep
Merge branch 'master' into linesweep
Added .py and .pyx solution files to the cython lab.
Added comments to solutions files for linesweep lab.
Merge branch 'master' into linesweep
Merge pull request #455 from insertinterestingnamehere/quad

Quadrature
Moved plotting functions to separate plotting script.
Added solutions template for linesweep lab.
Added pseudocode for simplified linesweep.
Fixed compile errors.