factor out tmp dir #172

Job	Run time
🚧 Build SPAdes	1m 31s
Multicell B.cereus TruSeq 100x	5m 15s
Nextera L.monocytogenes	1m 8s
Full run M.ruber JGI lane 9	5m 48s
Contigs E.coli JGI lane 7	4m 24s
IonTorrent E.coli K12	29m 10s
Single-cell P.heparinus JGI lane 7	2m 51s
Single reads E.coli Deeptrench	1m 44s
plasmidSPAdes C.callunae	7m 53s
Saves E.coli 100K	51s
PacBio M.ruber	4m 34s
metaSPAdes JGI 150	16m 11s
Saves E.coli UCSD lane 1	10m 37s
metaviralSPAdes ERR525599	15m 19s
Mate-pairs B.faecium	2m 22s
	1h 49m 38s

Provide feedback