Add blastn

Author: bgruening

packages.tsv

@@ -13,6 +13,7 @@ alpine	bc	1	test $(echo '2+3' | bc -q) = '5'
 conda	tmux	1.9a--1	tmux -V
 conda	tmux	2.1--1	tmux -V
 conda	m4	1.4.17--0	test $(echo 'define(a, bbb)a' | m4) = 'bbb'
+conda	blast	2.2.31--1	blastn -help
 conda	samtools	1.3--1	samtools --version
 conda	samtools	1.0--0	samtools --version
 conda	pyrad	3.0.64--py27_0	pyrad -h