Completed end session endpoint

Addresses mitreid-connect#1129, addresses mitreid-connect#972, addresses mitreid-connect#891, addresses mitreid-connect#1223

Author: jricher

openid-connect-server-webapp/src/main/webapp/WEB-INF/views/postLogout.jsp

@@ -13,7 +13,7 @@
 <div class="container main">
 
 <div class="well" style="text-align: center">
-<h1><spring:message code="logout.post.title" /></h1>
+<h1><spring:message code="logout.post.header" /></h1>
 
 <security:authorize access="hasRole('ROLE_USER')">
 <div class=""><spring:message code="logout.post.notLoggedOut" /></div>

openid-connect-server-webapp/src/main/webapp/resources/js/locale/en/messages.json

@@ -516,5 +516,21 @@
 "approved": "The device has been approved.",
 "notApproved": "The device has not been approved."
 }
+},
+"logout": {
+"confirmation": {
+"title": "Logout requested",
+"header": "Logout Requested",
+"requested": "Logout has been requested by ",
+"explanation": "Do you wan to log out of the identity provider? This will not affect your session at any other systems.",
+"submit": "Log Out",
+"deny": "Stay Logged In"
+},
+"post": {
+"title": "Log out",
+"header": "Log Out",
+"notLoggedOut": "You have not been logged out of the identity server. You may close this browser or log in again.",
+"loggedOut": "You have been logged out of the identity server."
+}
 }
 }

openid-connect-server/src/main/java/org/mitre/openid/connect/web/EndSessionEndpoint.java

@@ -52,6 +52,8 @@
 import com.nimbusds.jwt.JWTParser;
 
 /**
+ * Implementation of the End Session Endpoint from OIDC session management
+ * 
  * @author jricher
  *
  */