fdisk: (sun) use fdisk_{info,warnx}

Signed-off-by: Karel Zak <kzak@redhat.com>
fdisk: allow zero as default offset/size

Signed-off-by: Karel Zak <kzak@redhat.com>
fdisk: sort menu

Signed-off-by: Karel Zak <kzak@redhat.com>
fdisk: (sun) use Ask API for new-partiton dialog

Signed-off-by: Karel Zak <kzak@redhat.com>
libfdisk: add Yes/No to Ask API

Signed-off-by: Karel Zak <kzak@redhat.com>
fdisk: (sun) use yes/no from libfdisk

Signed-off-by: Karel Zak <kzak@redhat.com>
libfdisk: add info about display units to context

Signed-off-by: Karel Zak <kzak@redhat.com>
fdisk: remove global unit variables

Signed-off-by: Karel Zak <kzak@redhat.com>