[travis] Resolve circular dependencies

[ch4ot1c]

Args unknown     : 4
{'-zmqpubrawblock', '-zmqpubrawtx', '-zmqpubhashblock', '-zmqpubhashtx'}
* Checking consistency between dispatch tables and vRPCConvertParams
A new circular dependency in the form of "fork -> validation -> fork" appears to have been introduced.
A new circular dependency in the form of "pow -> validation -> pow" appears to have been introduced.
A new circular dependency in the form of "primitives/joinsplit -> primitives/transaction -> primitives/joinsplit" appears to have been introduced.
A new circular dependency in the form of "pow -> validation -> txdb -> pow" appears to have been introduced.
^---- failure generated from test/lint/lint-circular-dependencies.sh

---

Want to back this issue? Post a bounty on it! We accept bounties via Bountysource.