SuperBlock 648000 - infinity7592

Proposal: SB648000

Summary of work for this SB:
* Adjustments to the C ledger app + testing of the new code.
* Building the ledger connectors in JS (continued).
* Building blocks of a ledger web wallet (tx builder, input selector, ...) [continued].
* Adjustments to the ledger python client.


Cost Assessment:
# 375 BLOCKs + 10 BLOCKS (fee)

Vote:

Code:
mnbudget vote ec893e4b793780efe1b587fdec19d6019da0810f76dbe8332a9c15b0d2e76691 yes/no/abstain