Merge bubulle@debian.org--2005/apt--main--0

Patches applied:

 * bubulle@debian.org--2005/apt--main--0--patch-58
   Correct file permissions

 * bubulle@debian.org--2005/apt--main--0--patch-59
   Bring consistency to the use of capitals in programs messages

 * bubulle@debian.org--2005/apt--main--0--patch-60
   Correct the permission change on configure.in

 * bubulle@debian.org--2005/apt--main--0--patch-61
   Complete unfuzzification of PO files after the capitalization fixes

 * bubulle@debian.org--2005/apt--main--0--patch-62
   Final work of capitalization cleaning and translation unfuzzyfication

 * bubulle@debian.org--2005/apt--main--0--patch-63
   Correct the "arbitary" typo in apt-ftparchive

 * bubulle@debian.org--2005/apt--main--0--patch-64
   Italian translation update

 * bubulle@debian.org--2005/apt--main--0--patch-65
   Italian translation update