Update copyright year

Author: Paco Avila

src/main/java/com/openkm/frontend/client/widget/AboutPopup.java

@@ -44,7 +44,7 @@ public class AboutPopup extends DialogBox implements ClickHandler {
 	private HTML htmlExtVersion;
 	private Button button;
 	private String msg = "<b>Be Open, my friend!</b><br>";
-	private String copy = "&nbsp;&copy 2006-2017 OpenKM <br><br>";
+	private String copy = "&nbsp;&copy 2006-2018 OpenKM <br><br>";
 	private String team = "<b>OpenKM Team</b><br><br>";
 	private String web = "<a href=\"http://www.openkm.com\" target=\"_blank\">http://www.openkm.com</a><br><br>";
 	private String appVersion = "Version 0.0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;";

src/main/webapp/admin/home.jsp

@@ -27,7 +27,7 @@
         <tr><td><b>OpenKM - Knowledge Management</b></td></tr>
         <tr><td nowrap="nowrap">Version: <%=WarUtils.getAppVersion() %></td></tr>
         <tr><td>&nbsp;</td></tr>
-        <tr><td>&copy; 2006-2017 OpenKM</td></tr>
+        <tr><td>&copy; 2006-2018 OpenKM</td></tr>
         <tr><td>&nbsp;</td></tr>
         <tr><td><b>Support</b></td></tr>
         <tr><td><a target="_blank" href="http://forum.openkm.com/">http://forum.openkm.com</a></td></tr>

src/main/webapp/login_desktop.jsp

@@ -275,7 +275,7 @@
         <div class="form-group form-footer"
              style="border-bottom-left-radius: 10px !important; border-bottom-right-radius: 10px !important;">
           <div class="col-xs-12 text-center">
-            <p>&copy; 2006-2017 OpenKM. All rights reserved.</p>
+            <p>&copy; 2006-2018 OpenKM. All rights reserved.</p>
           </div>
         </div>
       </form>