v3.1.0

What's new?

• Full end-to-end encryption inside a Trusted Execution Environment (TEE) powered by Intel(R) SGX #307
• Implemented the Proof-of-Contribution (PoCo) Sarmenta's formula for a greater task dispatching #305

What's patched?

• Reopen task worflow is back #302
• A single FAILED replicate status when a completion is impossible #295
• WORKER_LOST is not set for replicates which are already FAILED #295 #299
• Restart when ethereum node is not available at start-up