add anon as a user when seeding to act as a temporary or permanent lost sketch holder
users can start a new tree and save when logged out and have it assigned to them when logged in
users can add to a tree when logged out and have it assigned to them upon login
refactor parent lineage calls into a single association call
Merge pull request #38 from jsum528/SRB/save_when_logged_out

Srb/save when logged out