* no longer export action_params
* remove transaction, header, receipt re-rexports from common
* remove env_info and builtins re-exports from common
* remove everything but util export from common
* replace common usages with util, remove module
* add a prelude module for ethcore-bigint
* State cache
* Reduced copying data between caches
Whitespace and optional symbols
* Reduced copying data between caches
Whitespace and optional symbols
* Set a limit on storage cache
* Style and docs
* enable internal sealing based on author
* add tests, keep track of engine sealing status
* method to check if default address is_sealer
* simplify constructors
* fix typo
* separate block preparation methods
* Split internal sealing from work sealing, add cli option
* replace cli with engine method, simplify
* More docs about sealing types. Bypass work in external txs.
* split requires_reseal, add test and new test miner
* Address renamed to H160 at bigint library level
* moved uint specific test from util to bigint library
* naming
* unifing hashes in progress
* unifing hashes
* cleanup redundant unwraps in tests
* Removing util/crypto in progress.
* fixed compiling
* signature cleanup in progress
* new module - ethcrypto used by ethstore and ethcore-network
* fixed compiling
* fixed compiling
* fixed merge
* optionally use no mangling for accountdb
* add the recorder module
* get_recorded for tries, no virtual dispatch on readonly tries
* add recording test
* Address renamed to H160 at bigint library level
* moved uint specific test from util to bigint library
* naming
* unifing hashes in progress
* unifing hashes
* cleanup redundant unwraps in tests
* fixed compiling
