Prefix skim reverse DNS to unique xattr names. Should not affect reading of previously written notes. 
Prefix skim reverse DNS to unique xattr names. Should not affect reading of previously written notes. 

git-svn-id: cb3fc60f0f557b927b8032d8a94e869b6f9f230b@1723 0fceea05-a30d-0410-8a8b-80ef821fb0a1

camillobruni/skim,camillobruni/skim,camillobruni/skim,jasongrout/skim,jasongrout/skim,camillobruni/skim