basic methods
route on train
Obstacles are not due
updated engine and upgrade
Added defaultSpeed for new trains
Added defaultSpeed for new trains,
Upgrades get name/desc from enum not switch
Upgrades get name/desc from enum not switch
Engines get name/desc from enum not switch
Added comments to enum in Engine
Changed Resource to interface
Merge pull request #1 from Dynamic-Underground-Strippers/upgrades

Upgrades