Minor optimization to avoid relatively slow calls to AlignedArray::get
Add scale_flux option in config
Only warn about nproc > nimages if it's not -1 in the config file.
add *~ to .gitignore
(#468)
Fix calculation of truncation radius for small-n Sersics.  #468
Merge branch '#468'
Workaround for numpy bug
Gracefully handle making nested directories for output
Merge branch 'master' into #343
Minor spacing edit
(#343)