Cleaner method for extracting the archive.  This routine is threaded, so there is no need to do the async stuff that sparkle did.
Cleaner method for extracting the archive.  This routine is threaded, so there is no need to do the async stuff that sparkle did.


git-svn-id: d8f21eb7283bfb39ebab2f8f9b4a259b233f9348@246 621663c8-3916-0410-8f58-edc14a8543d5

mrvacbob/perian,mrvacbob/perian,mrvacbob/perian,mrvacbob/perian,mrvacbob/perian