* fixed naming of rlp modules
* RlpStream cleanup
* appending short rlp lists (0...55 bytes) is 25% faster
* RlpStream does not use bytes module, nor trait Stream
* removed unused code from rlp module
* compiling ethcore-util with new rlp serialization
* compiling parity with new rlp serialization
* fixed compiling ethcore-light with new rlp serialization
* fixed compiling ethsync with new rlp serialization
* removed redundant comment, print
* removed redundant double-space
* replace usage of WriteBytesExt with ByteOrder
* 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
* Various improvements to tracing & diagnostics.
- Manage possibility of `Account` not having code for `PodAccount`
- New RPC: `trace_sendRawTransaction`
- See raw transaction dump when inspecting over RPC
* Fix test
* Remove one of the dupe error messages
* Remove unneeded `&`s
* Reformat and extremely minor optimisation
* Minor optimisation
* Remove unneeded let
* Fix tests.
* Additional fix.
* Minor rename.
[ci:skip]
* Bowing to the pressure.
