* refactor PriceInfo to use Fetch and reuse the client
* forget Fetch future to keep it running in the background
* update Debug message for price_info::Client
* wrap underlying errors in price_info client
* use debug_struct in price_info client debug implementation
* use global fetch service in price_info client
* rename gas_pricer parameter in RunCmd
* move price_info to its own crate
* fix price_info tests
* replace rustc_serialize with serde_json in price_info
* add documentation for price_info
* remove unused rustc-serialize dependency from ethcore
* fix price_info formatting
* re-export fetch crate in price_info
* remove unused cfg attributes in price_info
* add tests for price_info
* Clarify function name
Function checks if sealing is currently underway, not to be confused
with checking whether the engine performs internal sealing.
* Error when work called on internal sealing engine
* Error submitting work for internal sealing engine
* Fix inverted bool and style grumbles
* Add can_produce_work_package to TestMinerService
* Error when setting engine signer on PoW chain
* Unit tests for engine signing
Setting engine signer should fail if chain does not seal internally
or client lacks account provider.
* Tweak TestMinerService
* Fix minor style grumbles
* state backend trait mirroring state_db API
* minimal state backend trait
make state module public
* fix json tests
* return errors on database corruption
* fix tests, json tests
* fix remainder of build
* add Backend bound on state
* flush work
* flush work
* flush work
* flush work
* generalized notifiers
* general setup with modules
* general setup with modules
* all binded
* catch up with master
* all dependencies injected
* stratum another up
* tcp update
* submitwork routine
* finalize & fix warnings
* merge bugs, review fixes
* merge bugs, review fixes
* new cli mess cleanup
* usage.txt swap
* flush work
* cli adopt
* compilation with new cli sorted
* subid space in json
* serialization issues
* grumbles addressed
* more grumbles
* remove last_work note for now
* fix compilation
* fix tests
* merge bugs
* no obliged ipc
* moving notifiers
* no optional feature now
* refactored again
* working on tests
* refactor to new tcp/ip
* stratum lib ok
* ethcore crate ok
* wip on tests
* final test working
* fix warnings, \n-terminated response
* new compatibility
* re-pushing work once anybody submitted
* various review and general fixes
* reviewe fixes
* remove redundant notifier
* one symbol -> huge bug
* ensure write lock isn't held when calling handlers
* extern declarations moved
* options to stratum mod, SocketAddr strongly-typed instantiation
* Minor style fix.
* Whitespace and phrasing
* Whitespace
* owning views of blockchain data
* port blockchain and client traits to owning views
* fix ethcore tests
* use strong headers and bodies in ethcore_light
* port ethsync to use owning views
* port rpc to owning views
* port parity informant and blockchain export