spades: Depends on cmake
spades 2.5.1
mtl 4.0.9470

Add boost dependency.
Update home page (more informative than former home page).

Closes #332
parmetis 4.0.3

Closes #218
mtl: Add head

Closes #312
OpenCV 2.4.6.1

Closes #337.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
GTSAM 2.3.0

GTSAM is the Georgia Tech Smoothing and Mapping library, which
is useful e.g. for robotics and vision processing.

Closes #338.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
Merge https://github.com/Homebrew/homebrew-science