Indra v4.0.4 | Client v4.0.4

• Added more tests a la issues #755, #756
• Hardened error handling to make sure failures in promises always reject #741
• Contracts (previously scattered between @connext/contracts, @connext/cf-apps, @connext/cf-adjudicator-contracts, and @connext/cf-funding-protocol-contracts) have all been consolidated into the @connext/contracts package #676
• An updated addressBook has been published as part of new @connext/contracts package, this includes an updated token for rinkeby & newly deployed contracts for the ETC Kotti testnet. #760
• The channel state now contains both the proxy factory and multisig mastercopy, both of which are critical while withdrawing. #648
• An addressHistory has been added to @connext/contracts which contains historical values for proxy factory and multisig master copies.
• tslint has been replaced with eslint #248
• types that were previously exported from cf-core are now in the @connext/types module #624
• A hardcoded list of supported networks was removed. Additionally, we've migrated from specifying networks by name (eg "rinkeby") to specifying them by chainId (eg 4) #735