Attempt to install tahoe client on TAILS
Correct Tails persistent dir name
Fix Tails compatibility for installing a local client
Setup Tails dotfiles symlinks
Fix Tails bug: skip over symlink creation

If Tails has already created ~/.tahoe then
don't create the symlink.
Default to truckee feature branch
Merge branch 'tails'
Fix up a dir with a couple example playbooks