message: install virtualchain rc-0.14.2
diff: @@ -16,6 +16,11 @@ pip install --upgrade cryptography
  pip install --upgrade scrypt
  pip install --upgrade fastecdsa
  +# fetch and install virtualchain
  +git clone https://github.com/blockstack/virtualchain /tmp/virtualchain
  +cd /tmp/virtualchain && git checkout "$BLOCKSTACK_BRANCH"
  +cd /tmp/virtualchain && ./setup.py build && ./setup.py install
  +
  # fetch blockstack core and integration tests
  git clone https://github.com/blockstack/blockstack-core /tmp/blockstack-core
  cd /tmp/blockstack-core && git checkout "$BLOCKSTACK_BRANCH"
  