Proper tests & fixes for verification checks

Missing ordered checks for verification

Sync as bitcoind does

simplified threshold and configurable synchronizers, cleanun session init and on_message

response synchronizer

* fixed clippy lints for miner, sync, test-data and verification

* make verification check_nbtis more idiomatic

fixed clippy lints for db, keys, miner, and script

project workspace and linting using clippy

Reorganizations extra tests

avoid redundant clone on header serialize

Adder txn_count (always zero) to headers message

Nikolay Volf authored Nov 07, 2016 and Marek Kotewicz committed Nov 07, 2016

* tests first

* decanonize & test

* fix denote bug

* fork route & test

* some refactoring of the transaction processing

* reorganization on insert

* non-reorg tests

* fix warnings

* fix doc comment

* long fork reorg test

* todo for shorter reorgs

shutdown gracefully on incompatible db open