* Basic hex block exporting.

* Export formats and to file.

* First bits.

* Block importing.

* Fix error text.

* Wait for queue to empty before shutting down after import.

Have `die_with_error` use `fmt::Display` rather than Debug

Exporting

Sign and send transaction

Fixing unused imports warnings

Fix styling - don't mix spaces with tabs!!!

* Add `SecretStore::unlock_account_temp` function.

* Test for relocking accounts.

* Avoid importing keys into wrong place.

- Now a `--no-import-keys` option;
- `--testnet` now alters the import location for keys and the store path.

Fixes #1112 and #1089.

* Avoid double-bools.

Implement receipt's gasUsed field

* DAO dapp

* Adding Maker OTC dapp

* Updating makerotc to contain topbar

* Updating daodapp

* Bumping versions after authors has been updated

* Adding webapps to tests

* Enabling all accounts in wallet

Fixes #1111

pretty print trace error

New syncing strategy

* trait

* implentated, lifetime issue still

* full api

* test mod

* working open

* get/retrieve

* fix warnings and bug

* working serialization of &[u8] parameters

* client attributes

* fix empty payload ser/de

* [ci skip] debug assert out

* extra deserialization test

* extra serialization test

* extra serialization test

* serialization fixes, nupdate rocksdb

* open test working

* result bug & remove some scaffolds

* fix warnings

* more simple tests

* consistent quotes

* get rid of dedicated is_open flag

* hashmap -> btreemap