title: angular js filter uppercase i (İ) doesn't recognizing
body: <pre><code> &lt;tr ng-repeat="model in ctrl.list | orderBy:ctrl.sortType:ctrl.sortReverse | 
       filter:ctrl.searchFilter" ng-click="goToPage('/responsibility/detail/' + model.id);"
  &gt;
    &lt;td&gt;{{model.category}}&lt;/td&gt;
    &lt;td&gt;{{model.name}}&lt;/td&gt;
    &lt;td&gt;{{model.brand}}&lt;/td&gt;
    &lt;td&gt;{{model.model}}&lt;/td&gt;
    &lt;td&gt;{{model.count}}&lt;/td&gt;
    &lt;td&gt;{{model.description}}&lt;/td&gt;
    &lt;td&gt;{{model.conditionOf}}&lt;/td&gt;
    &lt;td&gt;{{model.serial}}&lt;/td&gt;
    &lt;td&gt;{{model.calibrationId}}&lt;/td&gt;
  &lt;/tr&gt;
  </code></pre>
  
  <p>I have a filter like 
  and it doesn't filter on search which word that include 'İ' character,
  it doesn't recognize the 'İ' character. </p>