* Consolidate crypto functionality in `ethcore-crypto`.
- Move `ecdh`/`ecies` modules to `ethkey`.
- Refactor `ethcore-crypto` to use file per module.
- Replace `subtle` with `ethcore_crypto::is_equal`.
- Add `aes_gcm` module to `ethcore-crypto`.
* Rename `aes::{encrypt,decrypt,decrypt_cbc}` ...
... to `aes::{encrypt_128_ctr,decrypt_128_ctr,decrypt_128_cbc}`.
* do not cache ACL storage contract
* when error comes before initialization
* initial KeyServerSet commit
* update_nodes_set in maintain
* do not connect to self
* fixed connection establishing
* removed println
* improved KeyServerSet tracing
* moved parsing to KeyServerSet
* re-read only when blockchain is changed
* do not try to connect if not a part of cluster
* improved logging
* fixed tests
* NodeKeyPAir trait
* fixed parity to use new trait
* continue integrating with parity
* updated parity for NodeKeyPair
* completed KeyStoreNodeKeyPair
* removed comment
* removed dependency && style
* Key files include timestamp in name.
Introduce timestamp into new key files; keep filename around, so
that we don't accidentally duplicate keys.
* Remove unnecessary clone
* Fix test code.
* Remove log module from ethstore
* Introduce persistent name() and meta() in SecretStore.
* Quick stash.
* Fix build.
* Add ethcore_set methods.
* Bug fixes for default values.
* Move to personal to ensure set API exposed.
* Add UUID to accounts info.
* Add tests.
* bump rust-crypto
* initial version of account provider utilizing secret store
* update lazy_static to latest version
* AccountProvider accounts method
* new AccountProvider tests in progress
* basic tests for new AccountProvider
* ethcore compiles with new account provider and secret store
* ethcore-rpc build now compiling with new AccountProvider
* most rpc tests passing with new accounts_provider
* fixed basic_authority tests
* fixed eth_transaction_count rpc test
* fixed mocked/eth.rs tests
* fixed personal tests
* fixed personal signer rpc tests
* removed warnings
* parity compiling fine with new sstore
* fixed import direction
* do not unlock temporarily when we have the password
* removed TODO in account import
* display warning on auto account import failure
* fixed compiling of ethstore on windows
* ethstore as a part of parity repo
* added ethkey