Proposal for committee, changing global parameters, vesting (1.11.1234

Proposal for committee, changing global parameters:

current:

"cashback_vesting_period_seconds": 31536000,
"committee_proposal_review_period": 1209600,

new:

"cashback_vesting_period_seconds": 7776000,
"committee_proposal_review_period": 604800

Summary:
Committee proposal review period decrease by 1 week to 1 week.
Cashback vesting period from 365 days to 90

   

full support, vesting period changes! finally!