Backport core PRs to stable (#7892)

* update back-references more aggressively after answering from cache (#7578)

* Flush keyfiles. Resolves #7632 (#7868)

* Fix wallet import (#7873)

* rpc: generate new account id for imported wallets

* ethstore: handle duplicate wallet filenames

* ethstore: simplify deduplication of wallet file names

* ethstore: do not dedup wallet filenames on update

* ethstore: fix minor grumbles

* parity-version pr reopen (#7136)

* parity-version module split from util

removed unused util deps and features

trigger buildbot again

only kvdb links rocksdb

snappy linker issues

* rm snappy

* fixed old version imports

* Move updater metadata to Cargo.toml of parity-version. (#7832)

* Update version.

* Bump parity version.

* Fix version.

* Fix compilation.

parity/cli/usage.rs

@@ -152,7 +152,7 @@ macro_rules! usage {
 		use toml;
 		use std::{fs, io, process, cmp};
 		use std::io::{Read, Write};
-		use util::version;
+		use parity_version::version;
 		use clap::{Arg, App, SubCommand, AppSettings, ArgSettings, Error as ClapError, ErrorKind as ClapErrorKind};
 		use helpers::replace_home;
 		use std::ffi::OsStr;

parity/configuration.rs

@@ -25,7 +25,8 @@ use cli::{Args, ArgsError};
 use hash::keccak;
 use bigint::prelude::U256;
 use bigint::hash::H256;
-use util::{version_data, Address};
+use util::Address;
+use parity_version::{version_data, version};
 use bytes::Bytes;
 use ansi_term::Colour;
 use ethsync::{NetworkConfiguration, is_valid_node_url};

parity/main.rs

@@ -73,6 +73,7 @@ extern crate parity_local_store as local_store;
 extern crate parity_reactor;
 extern crate parity_rpc;
 extern crate parity_updater as updater;
+extern crate parity_version;
 extern crate parity_whisper;
 extern crate path;
 extern crate rpc_cli;

parity/params.rs

@@ -17,8 +17,9 @@
 use std::{str, fs, fmt};
 use std::time::Duration;
 use bigint::prelude::U256;
-use util::{Address, version_data};
+use util::Address;
 use util::journaldb::Algorithm;
+use parity_version::version_data;
 use ethcore::spec::{Spec, SpecParams};
 use ethcore::ethereum;
 use ethcore::client::Mode;

parity/run.rs

@@ -41,7 +41,7 @@ use parity_reactor::EventLoop;
 use parity_rpc::{NetworkSettings, informant, is_major_importing};
 use updater::{UpdatePolicy, Updater};
 use ansi_term::Colour;
-use util::version;
+use parity_version::version;
 use parking_lot::{Condvar, Mutex};
 use node_filter::NodeFilter;
 use util::journaldb::Algorithm;