message: changed checkout tag to DAWN-2018-01-25 in readme.md
diff: @@ -77,7 +77,7 @@ We are working on supporting Centos, Amazon Linux & Red Hat in future releases.
  It is called eosio_build.sh
  ```bash
  -cd ~/eos
  +cd eos
  ./eosio_build.sh
  ```
  Choose whether you will be building for a local testnet or for the public testnet and jump to the appropriate section below. Clone the EOS repository recursively as described and run eosio_build.sh located in the root `eos` folder.
  @@ -105,7 +105,7 @@ Now you can proceed to the next step - [Creating and launching a single-node tes
  git clone https://github.com/eosio/eos --recursive
  cd eos
  -git checkout dawn-2.x
  +git checkout DAWN-2018-01-25
  ./eosio_build.sh
  ```
  @@ -140,7 +140,7 @@ Then clone the EOS repository recursively, checkout the branch that is compatibl
  git clone https://github.com/eosio/eos --recursive
  cd eos
  -git checkout dawn-2.x
  +git checkout DAWN-2018-01-25
  ./eosio_build.sh
  ```
  