v0.4.0

Compatible versions:

Node v0.5.8

ChangeLog:

new docker image versions (#526, #578)
Update libraries (#527, #528)
Remove deposit counter from mt.root table (#531)
Fix migration (#549)
Support new LxLy smart contracts (#546)
Support new etrog smart contracts + compatibility with the node in new fork (#556)
v1tov2 scenario to test(#573, #576)
fix + minor refactor (#577)