Provide a sensible default for `jde-help-docsets'.

--- jde/lisp/jde-help.el	(revision 90)
+++ jde/lisp/jde-help.el	(working copy)
@@ -28,7 +28,25 @@
 (require 'jde-util)
 
 ;; (makunbound 'jde-help-docsets)
-(defcustom jde-help-docsets (list (list "JDK API" "" nil))
+(defcustom jde-help-docsets
+  (list (list "JDK API"
+	      "http://java.sun.com/javase/6/docs/api"
+	      nil)
+	("User (javadoc)"
+	 "http://static.springsource.org/spring/docs/3.0.x/javadoc-api/"
+	 nil)
+	("User (javadoc)"
+	 "http://commons.apache.org/sandbox/functor/apidocs/"
+	 nil)
+	("User (javadoc)"
+	 "https://www.hibernate.org/hib_docs/v3/api"
+	 nil)
+	("User (javadoc)"
+	 "http://acegisecurity.org/acegi-security/apidocs"
+	 nil)
+	("User (javadoc)"
+	 "http://wicket.apache.org/docs/1.4"
+	 nil))
   "*Lists collections of HTML files documenting Java classes. 
 This list is used by the `jde-help-class' command to find help for 
 a class. You can specify the following information for each docset: