Upped protocol version
Only set TD if it's actually higher
vim error :S
Added pre processing of transaction on the transient state
Improved and simplified wallet functions and behaviour
Show newly created private key during startup. Closes #126
Removed mutan. Closes #183
Skip mining on transactions that don't meet the min accepted gas price
Merge branch 'poc8' into develop
Fixed issue in VM where LOG didn't pop anything of the stack
EXP simplified
upped proto version and modified block pool
Merge branch 'poc8' into develop
First draft of Whisper messages relaying
Proper start/stoping wpeers
Additional checks and debug output
rlp: move decoder type switch to decode.go
rlp: remove support for signed integer types

There is no agreement on how to encode negative integers
across implementations. cpp-ethereum doesn't support them either.
rlp: fix panic in decodeList on go 1.4+

The documentation for reflect.Value.Index states that it will
panic for out-of-bounds indices. Since go 1.4, it actually panics.
rlp: remove dead code