[PLAT-4625] removed 'result' ambiguity in structure rest results
[PLAT-4625] create an unversioned mapping of ValueRequirement to Value Specification for use on the web client, specifically used to keep the depgraphs alive after a portfolio change.
[PLAT-4625] unversioned value mapping subclass
[PLAT-4625] new depgraph - viewport - structure rest object
[PLAT-4625] depgraph refreshing after portfolio change
[PLAT-4680] non deliverable fx options security page now loading
[PLAT-4681] added fx digital option to metabean blotter list
[PLAT-4681] cleaned up non del and fx options - removed redundant premium field
[PLAT-4681] added FXDigitalOptionSecurity to OtcSecurityVisitor
[PLAT-4681] created blotter form for fx digital option, sharing fx option base with fx option