Testnet X-Mas Sneak Preview Release

[pmconrad]

This testnet-only release contains a few important changes that will make its
way into the mainnet release planned for early 2019.

Consensus changes

• BSIP-44 - Hashed Timelocked Contracts

Non-Consensus changes

• Performance optimization - bump fc and fix node #1405 Bump fc after re-improving compile time resource usage #1417 Add new direct index type #1462
• Multicore support - Parallel preprocessing of blocks + transactions #1360
• Optimizations in ElasticSearch plugins - Add an adaptor to es_objects and template function to reduce code #1429 add start-es-inserts-after-block option to elasticsearch plugin #1455 add option elasticsearch-start-es-after-block to es plugin #1458
• Add last_vote_time field to account_object - Add last vote time in account object #1393 add last_vote_time to account stats object #1449
• Fixed verify_account_authority API call - database_api::verify_account_authority is broken #1366 have verify_account_authority check passed-in keys #1384
• Handle CTRL-C properly in cli_wallet - Capture Ctrl+C in cli_wallet when not in daemon mode #1193 Capture Ctrl+C in cli_wallet when not in daemon mode #1193 #1232

[ryanRfox]

Travis is green. I trust docker cloud will as well, in due time. Approving.