[PLAT-3124] Cope with ComputationTargetType.NULL
More work on typed conventions
First pass at adding new curve strips
Changing FX instrument P&L functions to use spot rate timeseries using logic from the CurrencyMatrix instead of constructing a ticker
Checking for a null time series
Forgot to change the value requirement name
Forgot to change the value requirement name
Add run-engine target to compile, resolve, create database and start the engine
Merge branch 'develop' into ui/dev