Fix mlpack dependency on C++11 library versions

Closes #761.
aragorn 1.2.36: New formula

tRNA and tmRNA detection
tbl2asn 23.0: New formula

Tbl2asn is a command-line program that automates the creation of
sequence records for submission to GenBank.
prokka 1.8: New formula

Prokka is a software tool for the rapid annotation of prokaryotic
genomes.
rmblast 2.2.28: New formula

RMBlast is a RepeatMasker compatible version of the standard NCBI
BLAST suite. The primary difference between this distribution and the
NCBI distribution is the addition of a new program "rmblastn" for use
with RepeatMasker and RepeatModeler.
Fix `brew audit` warnings.
suite-sparse: add mirror url

Closes #762.
gdcm 2.4.1 (new formula)

Closes #751.
flann: fix `--with-examples` patch condition
ucsc-genome-browser 296
repeatmasker: Use RMBlast by default
repeatmodeler 1.0.7: New formula

RepeatModeler is a de-novo repeat family identification and modeling
package.
cddlib: add mirror
pspp: add mirror
root: use checksummed patch

Add fossies.org mirror.
sickle: use checksummed patch
astrometry-net 0.46 (new formula)

A package for automated calibration of astronomical images.

Closes #385.
Merge commit '7c74ae2030a7428fd47c25cfaea55063839cccc5'