Incorporates mortality year and death/disturbance into annualized measurements table

[diazrenata]

• Adds a DIA_est_mort (etc) column adjusting estimates of DIA assuming growth stopped in MORTYR for trees with MORTYR recorded.
• Adds a lifespan-level flag to the tree_info table saying whether a tree has at any point been recorded as dead or has had a damage or disturbance code.