SmartPool - v0.2.2

Add go-ethereum to vendor so we don't suffer from go-ethereum public API changes.

SmartPool - v0.2.1

• Hot fix client endlessly waits for tx to be mined when it might never be mined in some cases.

SmartPool - v0.2.0

• Support Ropsten testnet
• Move Kovan version installation script to kovan_compile.sh, prepare to leave Kovan version unmaintained
• Geth/Parity doesn't need to be manually set etherbase and extradata
• Many tweaks and workflow improvements

SmartPool for kovan

v0.1.0

Create LICENSE