State externalization meta issue

[MingweiSamuel]

• Deprecate/refactor old stateful/replaying operators #1058
• some persistent ops still replay infinitely on 'static #1050
• lattices crate representation and testing of [Lattice]Morphism and [Lattice]Bimorphism types #1063
  -> Create generic version of LatticeBimorphism operator (not yet performance optimized) #1073
  -> Use lattices representation of [Lattice]Bimorphism in binary (join) operator #1064
  -> hash join with keyed storage #969
• Scheduler spins when new tick triggers irrelevant stateful operator in stratum 0 #963
• Work through delta vs cumulative lattice handling #927
• early release stateful operators (windowing, running average, etc) #852
• rga --impl datalog-agg example hangs, cycles infinitely (rewrite with new bimorphism join) #800
• ergonomic handling of scalars (singletons) #797
• create a good example with mutable state #785