* Merge from debian unstable, remaining changes: - 90_upstream_sparse.dpatch: fix (from upstream bug tracker) to correctly show the size of sparse files (like qemu disk images). (Renamed old ubuntu 06_sparse.dpatch) - 91_add_filetypes.dpatch: recognize more file extensions by default (renamed old ubuntu 10_add_filetypes.dpatch) - debian/rules: Make clean not ignore errors