Install Linux Mint Debian Edition (LMDE 7) in Expert Mode

I like to create encrypted storage space to hold the contents of my home directory that is separate from the space that contains the root filesystem. This makes it easier if I decide to re-install Linux on the target system while preserving user data. During an install of LMDE 7 aka "Gigi" - if you select the option to automatically erase and partition the disk using LUKS (Linux Unified Key Setup) - the installer creates a single encrypted partition formatted with LVM (Logical Volume Manager) containing two "virtual partitions" (Logical Volumes or LVs): a swap LV, and a root LV that uses all remaining disk storage. There is no option to add a home LV to the automatic schema. Previously I would resize the root LV to make room for a home LV, but in my daily use I've found LVM to be an extra layer of complexity whose benefits - such as resizing existing LVs and creating new ones - I never end up using. More significantly, LVM makes re-installing the OS while preserving the contents of…