Add link to contribution guidelines.
fasta: fix checksum

Closes #571.
insighttoolkit 4.5.0

Closes #572.
Fix brew audit error.
Install jar files in share.
InsightToolkit: add OpenCV dependency.

Closes #252.
Lammps: upgrade to 2013.12.17.

Closes #455.
root: upgrade to 5.34.14.

Closes #579.
Octave: update to 3.8.

New options:
--without-docs
--without-check
--with-openblas
--without-gnuplot
--with-fltk

New dependency on Arpack.

Closes #428, closes #520, closes #574.
Fixes #158, fixes #424, fixes #436.
Opencv: update to 2.4.7.1

Add c++11 option
Add extra SIMD support.

Closes #383, closes #506, closes #540.
Update armadillo to latest stable version 3.930.2

Closes #581.
ITK: C++11 support, several optional dependencies.

Closes #453.
Octave: disable JIT compiler.
armadillo 3.930.3 fixes apple clang C++11 compilation error

Closes #585.
VTK6: Added C++11 mode support with several optional dependencies

Closes #448.
GEANT 4.00.00: new formula.

Closes #570.
celera-assembler 8.1

Builds on Linux, but fails to build on Mac OS X.
See Homebrew/homebrew-science#573