Fixes #321 (#935)

Copyright year was "20014", replaced to "2014"
Fixed the old github.io URL which no longer exist
See https://github.com/WebGoat/WebGoat/issues/321

webgoat-lessons/challenge/src/main/java/org/owasp/webgoat/challenges/challenge1/Assignment1.java

@@ -15,7 +15,7 @@ import static org.owasp.webgoat.challenges.SolutionConstants.PASSWORD;
  * This file is part of WebGoat, an Open Web Application Security Project utility. For details,
  * please see http://www.owasp.org/
  * <p>
- * Copyright (c) 2002 - 20014 Bruce Mayhew
+ * Copyright (c) 2002 - 2014 Bruce Mayhew
  * <p>
  * This program is free software; you can redistribute it and/or modify it under the terms of the
  * GNU General Public License as published by the Free Software Foundation; either version 2 of the

webgoat-lessons/client-side-filtering/src/main/java/org/owasp/webgoat/client_side_filtering/ClientSideFiltering.java

@@ -9,7 +9,7 @@ import org.springframework.stereotype.Component;
  * This file is part of WebGoat, an Open Web Application Security Project utility. For details,
  * please see http://www.owasp.org/
  * <p>
- * Copyright (c) 2002 - 20014 Bruce Mayhew
+ * Copyright (c) 2002 - 2014 Bruce Mayhew
  * <p>
  * This program is free software; you can redistribute it and/or modify it under the terms of the
  * GNU General Public License as published by the Free Software Foundation; either version 2 of the

webgoat-lessons/html-tampering/src/main/java/org/owasp/webgoat/html_tampering/HtmlTampering.java

@@ -9,7 +9,7 @@ import org.springframework.stereotype.Component;
  * This file is part of WebGoat, an Open Web Application Security Project utility. For details,
  * please see http://www.owasp.org/
  * <p>
- * Copyright (c) 2002 - 20014 Bruce Mayhew
+ * Copyright (c) 2002 - 2014 Bruce Mayhew
  * <p>
  * This program is free software; you can redistribute it and/or modify it under the terms of the
  * GNU General Public License as published by the Free Software Foundation; either version 2 of the

webgoat-lessons/http-proxies/src/main/java/org/owasp/webgoat/http_proxies/HttpProxies.java

@@ -9,7 +9,7 @@ import org.springframework.stereotype.Component;
  * This file is part of WebGoat, an Open Web Application Security Project utility. For details,
  * please see http://www.owasp.org/
  * <p>
- * Copyright (c) 2002 - 20014 Bruce Mayhew
+ * Copyright (c) 2002 - 2014 Bruce Mayhew
  * <p>
  * This program is free software; you can redistribute it and/or modify it under the terms of the
  * GNU General Public License as published by the Free Software Foundation; either version 2 of the

webgoat-lessons/idor/src/main/java/org/owasp/webgoat/idor/IDOR.java

@@ -9,7 +9,7 @@ import org.springframework.stereotype.Component;
  * This file is part of WebGoat, an Open Web Application Security Project utility. For details,
  * please see http://www.owasp.org/
  * <p>
- * Copyright (c) 2002 - 20014 Bruce Mayhew
+ * Copyright (c) 2002 - 2014 Bruce Mayhew
  * <p>
  * This program is free software; you can redistribute it and/or modify it under the terms of the
  * GNU General Public License as published by the Free Software Foundation; either version 2 of the

webgoat-lessons/insecure-deserialization/src/main/java/org/owasp/webgoat/deserialization/InsecureDeserialization.java

@@ -9,7 +9,7 @@ import org.springframework.stereotype.Component;
  * This file is part of WebGoat, an Open Web Application Security Project utility. For details,
  * please see http://www.owasp.org/
  * <p>
- * Copyright (c) 2002 - 20014 Bruce Mayhew
+ * Copyright (c) 2002 - 2014 Bruce Mayhew
  * <p>
  * This program is free software; you can redistribute it and/or modify it under the terms of the
  * GNU General Public License as published by the Free Software Foundation; either version 2 of the

webgoat-lessons/insecure-login/src/main/java/org/owasp/webgoat/insecure_login/InsecureLogin.java

@@ -9,7 +9,7 @@ import org.springframework.stereotype.Component;
  * This file is part of WebGoat, an Open Web Application Security Project utility. For details,
  * please see http://www.owasp.org/
  * <p>
- * Copyright (c) 2002 - 20014 Bruce Mayhew
+ * Copyright (c) 2002 - 2014 Bruce Mayhew
  * <p>
  * This program is free software; you can redistribute it and/or modify it under the terms of the
  * GNU General Public License as published by the Free Software Foundation; either version 2 of the

webgoat-lessons/missing-function-ac/src/main/java/org/owasp/webgoat/missing_ac/DisplayUser.java

@@ -11,7 +11,7 @@ import java.util.Base64;
  * This file is part of WebGoat, an Open Web Application Security Project utility. For details,
  * please see http://www.owasp.org/
  * <p>
- * Copyright (c) 2002 - 20014 Bruce Mayhew
+ * Copyright (c) 2002 - 2014 Bruce Mayhew
  * <p>
  * This program is free software; you can redistribute it and/or modify it under the terms of the
  * GNU General Public License as published by the Free Software Foundation; either version 2 of the

webgoat-lessons/ssrf/src/main/java/org/owasp/webgoat/ssrf/SSRF.java

@@ -9,7 +9,7 @@ import org.springframework.stereotype.Component;
  * This file is part of WebGoat, an Open Web Application Security Project utility. For details,
  * please see http://www.owasp.org/
  * <p>
- * Copyright (c) 2002 - 20014 Bruce Mayhew
+ * Copyright (c) 2002 - 2014 Bruce Mayhew
  * <p>
  * This program is free software; you can redistribute it and/or modify it under the terms of the
  * GNU General Public License as published by the Free Software Foundation; either version 2 of the

webgoat-lessons/webgoat-introduction/src/main/java/org/owasp/webgoat/introduction/WebGoatIntroduction.java

@@ -9,7 +9,7 @@ import org.springframework.stereotype.Component;
  * This file is part of WebGoat, an Open Web Application Security Project utility. For details,
  * please see http://www.owasp.org/
  * <p>
- * Copyright (c) 2002 - 20014 Bruce Mayhew
+ * Copyright (c) 2002 - 2014 Bruce Mayhew
  * <p>
  * This program is free software; you can redistribute it and/or modify it under the terms of the
  * GNU General Public License as published by the Free Software Foundation; either version 2 of the

webgoat-lessons/xxe/src/main/java/org/owasp/webgoat/xxe/BlindSendFileAssignment.java

@@ -27,7 +27,7 @@ import static org.apache.commons.lang3.RandomStringUtils.randomAlphabetic;
  * This file is part of WebGoat, an Open Web Application Security Project utility. For details,
  * please see http://www.owasp.org/
  * <p>
- * Copyright (c) 2002 - 20014 Bruce Mayhew
+ * Copyright (c) 2002 - 2014 Bruce Mayhew
  * <p>
  * This program is free software; you can redistribute it and/or modify it under the terms of the
  * GNU General Public License as published by the Free Software Foundation; either version 2 of the