added pictures and rough draft of bezier curves lab
Split the Bezier and B-splines labs. Created the file for the B-splines
lab
Merge branch 'master' into splines
typo fixes
Removed the old Splines.tex file
a rough draft of the linesweep lab
cut out the part on binary trees, added the multidimensional problem.
Changed formatting.
re-added a problem on binary trees. It turns out they are pertinent for
sleightly higher dimensional cases.
added a useful comment to one of the problems.
added solutions to linesweep lab
Sleight phrasing change in linesweep lab.
This is a major update to the linesweep lab. It accounts for a few more
possible ways to code the algorithm.
Some formatting changes in the bezier curves lab and added the file for
the b-splines lab.
small phrasing change in bezier lab.
futher clarified explanation of linesweep algorithms

Also made some other small changes to the lab.
futher changes to enhance clarity
wrap figures and change enumerate

Wrapped each figure in a figure environment.  This greatly improves the
layout.
Added some benchmarks and the code to generate the plots to the solutions
notebook.
Merge pull request #4 from ayr0/sweepline

updates to line sweep lab
fixed some typos and formatting issues in the linesweep lab.
Note: added dependency on paralist package.