title: /bin/sh: git: command not found. Meteor package installation
body: <p>I am adding "googlemaps" package to new meteor project on MacOS. I have installed node and meteorite properly, But when i run the command: "mrt add googlemaps". It shows following error. Any ideas about it?</p>
  
  <pre><code>✓ googlemaps
      tag: https://github.com/drewjw81/meteor-googlemaps.git#v0.0.2
  ERROR: 127 Command failed: /bin/sh: git: command not found
  
  
  STDOUT:  
  
  STDERR: /bin/sh: git: command not found
  
  
  
  /usr/local/lib/node_modules/meteorite/lib/sources/git.js:124
          throw "There was a problem cloning repo: " + self.url +
                                                                ^
  There was a problem cloning repo: https://github.com/drewjw81/meteor-googlemaps.git
  Please check https://github.com/oortcloud/meteorite/blob/master/CONTRIBUTING.md#troubleshooting for potential explanations.
  </code></pre>
  
  <p>however, after installing git it shows following error:</p>
  
  <pre><code>Stand back while Meteorite does its thing
  ✓ googlemaps
      tag: https://github.com/drewjw81/meteor-googlemaps.git#v0.0.2
  ERROR: null Command failed:  
  
  STDOUT:  
  
  STDERR:  
  
  
  /usr/local/lib/node_modules/meteorite/lib/sources/git.js:124
          throw "There was a problem cloning repo: " + self.url +
                                                                ^
  There was a problem cloning repo: https://github.com/drewjw81/meteor-googlemaps.git
  Please check https://github.com/oortcloud/meteorite/blob/master/CONTRIBUTING.md#troubleshooting for potential explanations.
  </code></pre>