LT-316: Change Add New Study to Import Study

Packages/ohif-study-list/client/components/studylist/studylistToolbar/studylistToolbar.html

@@ -3,7 +3,7 @@
         {{#if importSupported }}
         <div class="addNewStudy btn-file">
             <label for="btnImport">
-                <i class="fa fa-plus"></i> Add new study
+                <i class="fa fa-plus"></i> Import study
             </label>
             <input id="btnImport" class='js-import-files' type="file" webkitdirectory directory multiple>
         </div>