* Miner should no longer generate blocks with a time stamp less or equal
than it's parent.
* Future blocks are no longer processed and queued directly.
  Closes #1118

miner: log locally mined blocks after they are 5-deep in the chain

Revert "core: block.gasLimit - parent.gasLimit <= parent.gasLimit / G…

This reverts commit be2b0501.

if you track stale blocks, then you quickly overflow your ring buffer in the local network case where you're mining every block and generating a lot of stales.

core: block.gasLimit - parent.gasLimit <= parent.gasLimit / GasLimitB…

core: block database version update

Fine tune seeder and p2p peer handling

core: check negative value transactions. Closes #1109

jsre: fixes for concurrent use, improved timer handling

common/compiler: compile solidity contracts with std library

eth/downloader: silence "Added N blocks from..." if N == 0

p2p: new dialer, peer management without locks 

Fork fix

Hash 38f5bbbffd74804820ffa4bab0cd540e9de229725afb98c1a7e57936f4a714bc
ignored.

eth, eth/downloader: surface downloaded block origin, drop on error