build(deps): Bump cosmossdk.io/core from 0.11.0 to 0.12.0 in /tools/hubl

[dependabot]

Bumps cosmossdk.io/core from 0.11.0 to 0.12.0.

Changelog

Sourced from cosmossdk.io/core's changelog.

0.12.0 (March 27 2018)

BREAKING CHANGES

• Revert to old go-wire for now
• glide -> godep
• [types] ErrBadNonce -> ErrInvalidSequence
• [types] Replace tx.GetFeePayer with FeePayer(tx) - returns the first signer
• [types] NewStdTx takes the Fee
• [types] ParseAccount -> AccountDecoder; ErrTxParse -> ErrTxDecoder
• [auth] AnteHandler deducts fees
• [bank] Move some errors to types
• [bank] Remove sequence and signature from Input

FEATURES

• [examples/basecoin] New cool module to demonstrate use of state and custom transactions
• [basecoind] show_node_id command
• [lcd] Implement the Light Client Daemon and endpoints
• [types/stdlib] Queue functionality
• [store] Subspace iterator on IAVLTree
• [types] StdSignDoc is the document that gets signed (chainid, msg, sequence, fee)
• [types] CodeInvalidPubKey
• [types] StdFee, and StdTx takes the StdFee
• [specs] Progression of MVPs for IBC
• [x/ibc] Initial shell of IBC functionality (no proofs)
• [x/staking] Simple staking module with bonding/unbonding

IMPROVEMENTS

• Lots more tests!
• [client/builder] Helpers for forming and signing transactions
• [types] sdk.Address
• [specs] Staking

BUG FIXES

• [auth] Fix setting pubkey on new account
• [auth] Require signatures to include the sequences
• [baseapp] Dont panic on nil handler
• [basecoin] Check for empty bytes in account and tx

Commits

• 6f9db78 Merge pull request #697 from cosmos/release/v0.12.0
• 4331d9c fix test
• 64044d0 changelog, version, dep
• fb1a949 Merge pull request #705 from cosmos/cwgoes/show_node_id
• 3126afd Add show_node_id command (closes #704)
• 2d45058 fix tendermint dep
• 23d4343 Merge pull request #679 from cosmos/adrian/circle
• 950797d Merge pull request #696 from cosmos/bucky/dep
• 8609c58 changelog
• f81b6ec update dep
• Additional commits viewable in compare view

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