Clarify "can" into "must".
Merge pull request #39 from RollingStar/patch-4

Clarify "can" into "must".
Implement loading savefile from commandline argument.
Merge branch 'dlunch-dlunch'
Merge branch 'master' of https://github.com/IntelOrca/OpenRCT2
Merge branch 'master' of https://github.com/duncanspumpkin/OpenRCT2 into duncanspumpkin-master
Merge branch 'duncanspumpkin-master'
Labelled some of the peep financial offsets.