Gustav Simonsson b296b36d2b Add automatic locking / unlocking of accounts
* Change account signing API to two sign functions;
  Sign without passphrase - works if account is unlocked
  Sign with passphrase - always works and unlocks the account
* Account stays unlocked for X ms and is then automatically locked
2015-02-25 17:37:12 +01:00
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2015-01-27 16:19:21 +01:00