Merge branch 'release/poc5-rc3' into develop
Made the debug line for invalid peer versions dynamic
Properly exchange peer capabilities between peers
Implemented proper peer checking when adding new peers

We now resolve a hostname to IP before we try to compare it to the existing peer pool
Don't forward localhost connections over the public network
Only accept peers if we asked for them
Removed peers from peerlist as soon as they disconnect. Might fix #13

We used to wait for the reaping timer to clean up the peerlist, not any longer
Added debug message if you try to add a peer when max peers has been reached.
Implemented our own makeshift go seed. Fixes #16
Added support to NewJsonRpc to return an error as well as an interface

Also changed default port to 8080. Fixes #18
Implemented support for a custom RPC port
Use EthManager interface instead
Merge branch 'develop' of github.com-obscure:ethereum/eth-go into develop
Bumped
Merge branch 'release/poc5-rc4'