slightly more sensible migration names, fixes #42
slightly more sensible migration names, fixes #42

migration names could get really long, resulting in Errno::ENAMETOOLONG...
so de-dup identical table+event pairs, and if we have too many just name
it CreateTriggersMultipleTables (possibly w/ numeric suffix if one already
exists)

jenseng/hair_trigger,ccutrer/hair_trigger,dgynn/hair_trigger