Added a comment
Added loading of Non-Equity Index futures, such as UXH3 Index
Added normalization placeholder (ie = 1) to EQUITY_FUTURE and INDEX_FUTURE
Changed references to CommodityFuture.getAmount to getUnitAmount. Need to discuss why getAmount exists
Fixed CommodityFutureOption Calculator tests
Added VolatilityIndexFuture, IndexFuture, CashSettledFuture and EquityIndexFutureDefinition
Added converters for IndexFuture