Allow upload of a single file

app/static/app/js/components/NewTaskPanel.jsx

@@ -186,7 +186,7 @@ class NewTaskPanel extends React.Component {
                 {this.state.loading ?
                   <button type="submit" className="btn btn-primary" disabled={true}><i className="fa fa-circle-notch fa-spin fa-fw"></i>{_("Loading…")}</button>
                   :
-                  <button type="submit" className="btn btn-primary" onClick={this.save} disabled={this.props.filesCount <= 1}><i className="glyphicon glyphicon-saved"></i> {!this.state.inReview ? _("Review") : _("Start Processing")}</button>
+                  <button type="submit" className="btn btn-primary" onClick={this.save} disabled={this.props.filesCount < 1}><i className="glyphicon glyphicon-saved"></i> {!this.state.inReview ? _("Review") : _("Start Processing")}</button>
                 }
               </div>
             </div>