Merge pull request #357 from JakeSFR/sfr

pmount: fixed automounting drives in PUPMODE=13
Update cups_shell
Merge pull request #358 from zigbert/patch-1

Update cups_shell
Bugfix in installpkg.sh for newer 'file' utility, eg: "XZ" compression (capitals)
Adjust 'file' in package-templates. Some distros have magic in /etc/file with /etc/misc as a symlink
Fix pet2tgz for 'XZ', newer file utility. Note: I did once but there is bug in my version of git.
Fix broken symlink for usbdrv.svg in StandardSvg icon theme.
PPM: revert single-click