[WIP] Stage three sams#417

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hannahbrucemacdonald wants to merge 4 commits intomainfrom

stage-three-sams

Commits on Apr 12, 2019

exposing minimum_visits variable for `minimum-visits` convergence criteria
hannahbrucemacdonald
committed

Commits on Apr 23, 2019

adding third-stage variables and update check
hannahbrucemacdonald
committed

Commits on Apr 24, 2019

reload t1 from storage
hannahbrucemacdonald
committed

Commits on May 23, 2019

exposed SAMS beta_factor in setup, retained default of 0.8
hannahbrucemacdonald
committed