Testnet3

adjusted params:

• epochBlockTime = 120000
• airDropMaxBlockHeight: "10000000"
• min_signed_per_window: '0.05'
• slash_fraction_downtime: '0'
• max_deposit_period: "172800s" #2 days
• quorum: "0.100000000000000000"
• threshold: "0.500000000000000000"
• veto_threshold: "0.334000000000000000"
• voting_period: "172800s" #2 days
• community_tax: "0.020000000000000000"