Single DB (#1741)

* Consolidation migration

* Started db amalgamation

* Using client constants for columns

* Adding with_columns constructor

* Migrating to single db

* Fixing tests.

* test.sh without verbose

* Fixing warnings

* add migration tests that catch the bug

* make multiple migrations more robust

* add moved v9

* Merge branch 'noop-migrations' into single-db

* spurious line

* clean up migrations ordering

* update comment [ci skip]

* Bumping default number of max_open_files & re-ordering columns.

* fix merge

* fix ignored analysis tests

* Caching best block content

* Faster best_block_header

* Adding progress to v8 migration

* clean up warnings

* Separate hashes and bodies in the DB

* Separate hashes and bodies in the DB

* Fixed tests

ethcore/src/json_tests/transaction.rs

@@ -49,7 +49,7 @@ fn do_json_test(json_data: &[u8]) -> Vec<String> {
 			fail_unless(t.gas_price == tx.gas_price.into());
 			fail_unless(t.nonce == tx.nonce.into());
 			fail_unless(t.value == tx.value.into());
-			let to: Option<_> = tx.to.into();
+			let to: Option<ethjson::hash::Address> = tx.to.into();
 			let to: Option<Address> = to.map(Into::into);
 			match t.action {
 				Action::Call(dest) => fail_unless(Some(dest) == to),