Fixed infinity problem.
Refix infinity problem.
Lines and object working. Just need algorithm.
Can now reset objective function.
Started implementing algorithm
Algorithm now finds median line.
Separated line into two objects.
Fixed a few bugs associated with refactor. Deal with parallel lines.
Bug fixes. Normalized inner and cross product.
Algorithm handles case with only 1 lower envelope.
Need a good place to stop tonight.
Algorithm done! Some testing passed.
Fixed bug with median on lower cusp.
Fixed bug with lowest shallow line null.
Finished write-up. A few bug fix and style fixes.
Merge pull request #2 from zhelu/gh-pages

Merge gh-pages into master