title: tried to install expo as "npm install expo-cli --global" but getting many errors
body: <p>tried installing using yarn also not worked.. please anyone help me with this..</p>
  
  <p>Your environment has been set up for using Node.js 10.16.1 (x64) and npm.</p>
  
  <p>C:\Windows\System32>npm install expo-cli --global</p>
  
  <pre><code>npm WARN deprecated joi@14.0.4: This version has been deprecated in accordance with the hapi support policy (hapi.im/support). Please upgrade to the latest version to get the best features, bug fixes, and security patches. If you are unable to upgrade at this time, paid support is available for older versions (hapi.im/commercial).
  npm WARN deprecated @babel/polyfill@7.4.4: � As of Babel 7.4.0, this
  npm WARN deprecated package has been deprecated in favor of directly
  npm WARN deprecated including core-js/stable (to polyfill ECMAScript
  npm WARN deprecated features) and regenerator-runtime/runtime
  npm WARN deprecated (needed to use transpiled generator functions):
  npm WARN deprecated
  npm WARN deprecated   &gt; import "core-js/stable";
  npm WARN deprecated   &gt; import "regenerator-runtime/runtime";
  npm WARN deprecated joi@11.4.0: This version has been deprecated in accordance with the hapi support policy (hapi.im/support). Please upgrade to the latest version to get the best features, bug fixes, and security patches. If you are unable to upgrade at this time, paid support is available for older versions (hapi.im/commercial).
  npm WARN deprecated topo@2.0.2: This version has been deprecated in accordance with the hapi support policy (hapi.im/support). Please upgrade to the latest version to get the best features, bug fixes, and security patches. If you are unable to upgrade at this time, paid support is available for older versions (hapi.im/commercial).
  npm WARN deprecated hoek@4.2.1: This version has been deprecated in accordance with the hapi support policy (hapi.im/support). Please upgrade to the latest version to get the best features, bug fixes, and security patches. If you are unable to upgrade at this time, paid support is available for older versions (hapi.im/commercial).
  npm WARN deprecated hoek@6.1.3: This module has moved and is now available at @hapi/hoek. Please update your dependencies as this version is no longer maintained an may contain bugs and security issues.
  npm WARN deprecated topo@3.0.3: This module has moved and is now available at @hapi/topo. Please update your dependencies as this version is no longer maintained an may contain bugs and security issues.
  npm WARN tarball tarball data for @expo/traveling-fastlane-darwin@1.9.11 (sha512-nvZSe2FI8cFcv27uosrmjIhfwbuClG+rbMe9OswsdhIVaJkYvF8LN8gIJ/Fsi2S+20GQizxjC11DFq++MOCm+w==) seems to be corrupted. Trying one more time.
  Terminate batch job (Y/N)? y
  </code></pre>