message: Fix README.md build command for DAWN-2018-02-14 branch
diff: @@ -118,7 +118,7 @@ git clone https://github.com/eosio/eos --recursive
  cd eos
  git checkout DAWN-2018-02-14 --recurse-submodules
  -./eosio_build.sh
  +./build.sh
  ```
  For ease of contract development, one further step is required:
  