Remove MoneyPHP, use `float`s instead

composer.json

composer.lock

src/main/edu/wisc/services/cbs/common/MoneyConversion.php

...c/services/cbs/exception/UnsupportedCurrencyException.php

src/main/edu/wisc/services/cbs/order/line/OrderLine.php

...ervices/cbs/order/line/OrderLineInputParametersMapper.php

...sc/services/cbs/order/payment/MockOrderPaymentService.php

...main/edu/wisc/services/cbs/order/payment/OrderPayment.php

...s/cbs/order/payment/OrderPaymentInputParametersMapper.php

...ervices/cbs/order/payment/OrderPaymentServiceResponse.php

...sc/services/cbs/order/payment/SoapOrderPaymentService.php

src/main/edu/wisc/services/cbs/price/MockPriceService.php

src/main/edu/wisc/services/cbs/price/PriceService.php

src/main/edu/wisc/services/cbs/price/SoapPriceService.php

src/main/edu/wisc/services/cbs/product/Product.php

...isc/services/cbs/product/ProductInputParametersMapper.php

...main/edu/wisc/services/cbs/product/SoapProductService.php

src/test/edu/wisc/services/cbs/IntegrationTestCase.php

...test/edu/wisc/services/cbs/common/MoneyConversionTest.php

...du/wisc/services/cbs/price/MockPriceServiceClientTest.php