blast 2.2.29

Release Notes: http://www.ncbi.nlm.nih.gov/books/NBK131777/
arpack.rb: comment correction.

Closes #778.
genewise: Fix build error on Linux

Replace isnumber with isdigit to fix the error:
undefined reference to `isnumber'
Tested with GCC 4.4.7

Closes #775
wcslib 4.21

Closes #780.
genewise: Apply the patch regardless of OS
hdf5: remove duplicate option

Add warnings for enable-threadsafe conflicts.
insighttoolkit: build hdf5 with :cxx11
Bump TMV-CPP version to 0.72

Closes #782.
add gal-sim: a galaxy simulation toolbox.

GalSim is a package for simulating astronomical images of galaxies.
It was developed to support the upcoming "Great3" challenge,
http://great3challenge.info/, to test different methods for measuring
weak gravitational lensing, a key way of measuring mass in the
universe through its bending of light.

Closes #545.
Vigra: add cxx11 option, fix python site-packages install path

Closes #774.
Vcftools: updated to version 0.1.12a

Closes #784.
Merge remote-tracking branch 'upstream/master'