First revision pass on B-splines lab.
Moved bernstein basis plot to Bézier curves lab. Also changed variable
names in B-splines lab to match the calling conventions of the function
splev in scipy.
Added solution to first problem in the B-splines lab.
Commented out the explicit looping version of the De Boor algorithm.
Added a problem using Scipy's splev function to the b-splines lab.
Fixed a typo in the bézier lab. Also clarified a problem in the b-splines
lab.
Added solutions to second b-spline problem.
Added docstrings to b-splines solutions.
Added bsplines solutions template.
Some further revision of the B-splines lab.
Changed naming convention in b-spline solutions to match the naming
convention in the lab.
Added a plot of some B-spline basis functions to the B-splines lab.
Some clarification and a typo fix.
Fixed another typo.
Made another clarification in the bsplines lab.
Corrected another idiosyncrasy in the bsplines lab.
Merge branch 'master' into splines
Merge pull request #461 from insertinterestingnamehere/splines

B-splines lab revisions.