GIP-20: Karpatkey DAO Treasury Management

Should GnosisDAO implement GIP-20, as detailed in the following forum post?: https://forum.gnosis.io/t/gip-20-karpatkey-dao-treasury-management/2233

Transactions included in this proposal:

• Set the Active Treasury Managemet wallet (Daughter Safe) threshold to 3 signers. This Safe was created in GIP-17.
• Add 2 Karpatkey's signers to Daughter Safe.
• Add GnosisDAO's trusted signers to Daughter Safe.
• Send 326797 RAI investment to Karpatkey DAO.