Don't require an [updateTo] in FileUpdateTask, base on localPath when its absent instead
Don't require an [updateTo] in FileUpdateTask, base on localPath when its absent instead

halotron/NAppUpdate,vbjay/NAppUpdate,lexruster/NAppUpdate,piotrwest/NAppUpdateMono,johnrossell/NAppUpdate,jinlook/NAppUpdate,miguel-misstipsi/NAppUpdate2,yanpearson/NAppUpdate,piotrwest/NAppUpdateMono,group6tech/NAppUpdate2,synhershko/NAppUpdate