root 5.34.20

Closes #1155.
lp_solve: fix audit warning

Use NumpyHasHeaders over LanguageModuleDependency.
graph-tool: use Python module deps

Closes #1134.
openblas 0.2.11
lp_solve: fix typo
viennarna 2.1.8
pymol 1.7.2.1
astrometry-net 0.50

Fixes #1139.
Data-science-toolbox: update sha1.

Fixes #1160.
nextflow 0.10.0

Closes #1164.
mbsystem 5.4.2202

Closes #1165.
opencv: add libdc1394 as optional dependency

Closes #1167.
spades 3.1.1
swrcfit 1.3 (new formula)

Closes #1161.
Nexusformat: adding recommended hdf4 dependency

Closes #1166.
vips 7.40.8

Includes fix for jcupitt/libvips#172.

Closes #1172.
openni2: fix patch shasum

Closes #1169.
edirect 2.00
proverif 1.88.1 (new formula)

Closes #1168.
Merge pull request #1 from Homebrew/master

Update from Homebrew/homebrew-science