Added Path Helper to table of contents and updated copyright dates for all user guide pages
diff --git a/user_guide/nav/nav.js b/user_guide/nav/nav.js
index d8c65bf..c3c0d11 100644
--- a/user_guide/nav/nav.js
+++ b/user_guide/nav/nav.js
@@ -107,6 +107,7 @@
'<li><a href="'+base+'helpers/form_helper.html">Form Helper</a></li>' +
'<li><a href="'+base+'helpers/html_helper.html">HTML Helper</a></li>' +
'<li><a href="'+base+'helpers/inflector_helper.html">Inflector Helper</a></li>' +
+ '<li><a href="'+base+'helpers/path_helper.html">Path Helper</a></li>' +
'<li><a href="'+base+'helpers/security_helper.html">Security Helper</a></li>' +
'<li><a href="'+base+'helpers/smiley_helper.html">Smiley Helper</a></li>' +
'<li><a href="'+base+'helpers/string_helper.html">String Helper</a></li>' +