Merge pull request #3592 from karalabe/hw-wallets

accounts/abi/bind/auth.go

accounts/accounts.go

accounts/errors.go

accounts/hd.go

accounts/hd_test.go

accounts/keystore/account_cache.go

accounts/keystore/account_cache_test.go

accounts/keystore/key.go

accounts/keystore/keystore.go

accounts/keystore/keystore_passphrase.go

accounts/keystore/keystore_passphrase_test.go

accounts/keystore/keystore_plain.go

accounts/keystore/keystore_plain_test.go

accounts/keystore/keystore_test.go

accounts/keystore/keystore_wallet.go

accounts/keystore/presale.go

accounts/keystore/testdata/dupes/1

accounts/keystore/testdata/dupes/2

accounts/keystore/testdata/dupes/foo

accounts/keystore/testdata/keystore/.hiddenfile