upgrade to adam 0.13
Merge remote-tracking branch 'origin/adam-upgrade' into reads-pkg
import spacing via scalariform
Merge branch 'reads-pkg' into mapped-flag
declare our existing dependency on bdg-formats

shoe-horning this into the adam-0.13.0 upgrade, where we jump to
bdg-formats 0.2.0
Merge remote-tracking branch 'origin/adam-upgrade' into reads-pkg
Merge branch 'reads-pkg' into mapped-flag