Client IPC Interface (#1493)

* btree map serializer

* serde tests

* state diff serialization

* basic layout

* more missing serializaers

* uncle returns rlp

* block queue info

* sorting with transaction result

* sorting out util imports

* transaction import result sorting also

* sorting filters & ranges

* error sorting out

* deriving ipc service compiling

* rpc & sync recompile

* sorting rpc using uncles

* fix compilation

* fix merging bugs

* fix unused imports

* fix all warnings

* tests stub

* some merge bugs

* ethcore compilation

* fix rpc compilation

* deriving attribute

* tests (and fixes)

* rpc test working

* fix warnings again

* rs.in -> rs

* missing attribute

* refactored tree changes

* paste reformat mess fix

* pub mod actually

* intendation fix