fixed upnp port mapping
Merge branch 'develop' of https://github.com/ethereum/cpp-ethereum into upnp
moved ETH_MINIUPNPC to props on windows; fixed style
fixed disconnect; gcc warning
reverted UPNP_AddPortMapping args
Merge pull request #352 from imapp-pl/develop

LibEthereum.vcxproj updated: missing Exceptions.cpp file added
Merge pull request #353 from arkpar/upnp

Fixed uPnP issues
JUMPDEST specifies point before which JUMP is allowed.
According commit for JUMPDEST.
Merge branch 'develop' of github.com:ethereum/cpp-ethereum into develop