Prevent duplicate audits being created (fixes #8)
Prevent duplicate audits being created (fixes #8)

lrgalego/audited,ontrack/audited,reenhanced/audited,ktheory/acts_as_audited,cfiorini/audited,instacart/audited,collectiveidea/audited,GhostGroup/audited,ajoulie/audited,ledermann/audited,simplepractice/audited,ZHANGJIE982/audited,Datacom/audited,ConsultingMD/audited,xuwupeng2000/audited,airbnb/audited,ishail/audited,brandonaaron/acts_as_audited,klatunetworks/audited,happio/audited,azanar/audited