Patch Release 2.0.1

[formerly luehrsFred]

We have to release the planned patch.

Included features:

• WebRTC
• public key encryption
• Allow generic metadata in messages
• Cooperative Settlement

Release Checklist:

• RSB ready
  • RSB release made
  • Mainnet RSBs updated (can we do that without braking mainnet?)
  • At least two RSB providers running which are not about to expire
• Update Docs, if necessary (#6981)
• Test db compatibility/upgradability (#6965)
• Check changelog for missing entries
• Testnet SP run done
• Get ETH for mainnet test
• mainnet SP run done
• minimal manual mainnet testing
• Official OK for release
• Released
• Update Wizard
• Update "stable/beta" link on https://raiden.network/
• Release comms

[formerly luehrsFred]

Mainnet Testing:

Manual Testing Excel
successful BF1

[Karl Bartel]

We're going directly to 3.0 instead.