Upgrade CppAD to 20140000.
Streamline options in formula for R.

- use new --without-check option
- fix name of OpenBLAS lib name
- fix link to Lapack lib if using OpenBLAS
cgns: without-hdf5 option

Closes #548.
Add topcat formula.

Closes #140.
Openni support for Opencv

Closes #224.
openni: fix patches

See https://github.com/Homebrew/homebrew-science/commit/f6256260e405a09c6f1488870a741058aafe8bfb#commitcomment-4948318
Update Vips to 7.36.1.

add a couple of new deps, mark libpng as optional

Closes #379.
Update VIPS to 7.36.5

Closes #501.
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.