Problem: there's no compact historical state storage

[yihuang]

A solution for: #451
Since we already have the state streaming in SDK(ADR 038), it's possible to implement the idea in Cronos itself.
Just implement a streaming service that store the state changes in a kv db, the format is explained here.

[yihuang]

File streamer integration

• main Problem: state streamers are not integrated #702
• 0.9.x Problem: state streamers are not integrated (backport #702) #721
• 0.8.x Problem: state streaming is not supported in old versions #717
• 0.7.x Problem: state streaming is not supported in old versions #716
• 0.6.x Problem: state streaming is not supported in old versions #700

[yihuang]

closed by #791