Merge pull request #35 from fitoria/master

small changes to controllers initial values and behaviour
Merge pull request #36 from fitoria/master

Updates on bugs with benefit multiplier controllers
Merge pull request #37 from fitoria/master

Fixed an issue with the FixExceedingRanges function
Adding the Transition Cost calculation to the cost graph.
amortization of liability now added to cost computation
commenting out debuging
Merge pull request #38 from briandrawert/add_retiree_liability

Add the amortization of liability to cost computation
bug fix
Merge pull request #39 from briandrawert/add_retiree_liability

bug fix
fix for rate of return and cola %