title: match postgres datestyle in heroku and development
body: <p>I'm using rails 4.1 with heroku.
  I have a problem with the date style of postgres.
  When I run the app on my local machine everything works well, but after pushing to heroku it fails.</p>
  
  <p>From heroku logs:</p>
  
  <pre><code>(PG::DatetimeFieldOverflow: ERROR:  date/time field value out of range: "30/11/2014", Perhaps you need a different "datestyle" setting.`
  </code></pre>
  
  <p>I executed </p>
  
  <pre><code>heroku config:add TZ="Asia/Jerusalem"
  </code></pre>
  
  <p>and </p>
  
  <pre><code>heroku pg:psql SET datestyle = "SQL, DMY";
  </code></pre>
  
  <p>but there's still the same error message.</p>
  
  <p>Any suggestions?</p>
  
  <p>Thanks.</p>