conservationist now makes a minimum amount of money each turn 400
fix diameter limit cut bug, guard against negative pulp timber on cut
update tile values for all tiles
Merge branch 'ThreeJS' of https://github.com/tufts-LPC/Trails-Forward-server into ThreeJS
fix build houses challenge not updating bug
added gemfile.lock per docker instructions
back to rake jobs:work
Merge branch 'ThreeJS' into tree-models