Conflicts:
	ethcore/src/client.rs
	sync/src/tests/helpers.rs

Fixed potential deadlock on startup

Fixing an overflow panic

Fixed one more case of sync stalling

JournalDB can now operate in "archive" mode

Fixes #579

Secret store integration with client

fix build on nightly rust

deserialization for uint generic

TransactionsQueue implementation

JSON-RPC personal service (follows #582)

Conflicts:
	sync/src/transaction_queue.rs

making key directory thread-safe

verifier trait