Rename _() for translation to _t() for Java 9 compatibility (ticket #1456)

apps/routerconsole/jsp/console.jsp

@@ -15,7 +15,7 @@
 
 <%@include file="summary.jsi" %>
 
-<h1><%=intl._("I2P Router Console")%></h1>
+<h1><%=intl._t("I2P Router Console")%></h1>
 <div class="news" id="news">
 <%
    if (newshelper.shouldShowNews()) {
@@ -61,7 +61,7 @@
     <a href="/console?lang=vi&amp;consoleNonce=<%=consoleNonce%>"><img height="11" width="16" style="padding: 0 2px;" src="/flags.jsp?c=vn" title="Tiếng Việt" alt="Tiếng Việt"></a>
   </div>
   <a name="top"></a>
-  <h2><%=intl._("Welcome to I2P")%></h2>
+  <h2><%=intl._t("Welcome to I2P")%></h2>
  </div>
  <% java.io.File fpath = new java.io.File(net.i2p.I2PAppContext.getGlobalContext().getBaseDir(), "docs/readme.html"); %>
  <jsp:setProperty name="contenthelper" property="page" value="<%=fpath.getAbsolutePath()%>" />