chore: update Java version in README (#2091)

Closes: gh-2072

* chore: add Maven wrapper jar file

This way we don't download it every time from a Maven repository saving some band with.

* chore: remove @authors tag

src/test/java/org/owasp/webgoat/container/plugins/LessonTest.java

@@ -29,10 +29,6 @@ import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 import org.springframework.web.context.WebApplicationContext;
 
-/**
- * @author nbaars
- * @since 5/20/17.
- */
 @SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT, classes = WebGoat.class)
 @TestPropertySource(
     locations = {

src/test/java/org/owasp/webgoat/lessons/bypassrestrictions/BypassRestrictionsFrontendValidationTest.java

@@ -14,10 +14,6 @@ import org.owasp.webgoat.container.plugins.LessonTest;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
-/**
- * @author nbaars
- * @since 6/16/17.
- */
 public class BypassRestrictionsFrontendValidationTest extends LessonTest {
 
   @BeforeEach

src/test/java/org/owasp/webgoat/lessons/chromedevtools/ChromeDevToolsTest.java

@@ -14,10 +14,6 @@ import org.owasp.webgoat.container.plugins.LessonTest;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
-/**
- * @author Benedikt Stuhrmann
- * @since 13/03/19.
- */
 public class ChromeDevToolsTest extends LessonTest {
 
   @BeforeEach

src/test/java/org/owasp/webgoat/lessons/cia/CIAQuizTest.java

@@ -14,10 +14,6 @@ import org.owasp.webgoat.container.plugins.LessonTest;
 import org.springframework.test.web.servlet.MvcResult;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 
-/**
- * @author Benedikt Stuhrmann
- * @since 13/03/19.
- */
 class CIAQuizTest extends LessonTest {
 
   @Test

src/test/java/org/owasp/webgoat/lessons/clientsidefiltering/ClientSideFilteringAssignmentTest.java

@@ -14,10 +14,6 @@ import org.owasp.webgoat.container.plugins.LessonTest;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
-/**
- * @author nbaars
- * @since 5/2/17.
- */
 public class ClientSideFilteringAssignmentTest extends LessonTest {
 
   @BeforeEach

src/test/java/org/owasp/webgoat/lessons/clientsidefiltering/ShopEndpointTest.java

@@ -16,10 +16,6 @@ import org.owasp.webgoat.container.plugins.LessonTest;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 
-/**
- * @author nbaars
- * @since 5/2/17.
- */
 public class ShopEndpointTest extends LessonTest {
 
   private MockMvc mockMvc;

src/test/java/org/owasp/webgoat/lessons/csrf/CSRFFeedbackTest.java

@@ -17,10 +17,6 @@ import org.owasp.webgoat.container.plugins.LessonTest;
 import org.springframework.http.MediaType;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
-/**
- * @author nbaars
- * @since 11/17/17.
- */
 public class CSRFFeedbackTest extends LessonTest {
 
   @BeforeEach

src/test/java/org/owasp/webgoat/lessons/hijacksession/HijackSessionAssignmentTest.java

@@ -21,11 +21,6 @@ import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.test.web.servlet.ResultActions;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 
-/***
- *
- * @author Angel Olle Blazquez
- *
- */
 class HijackSessionAssignmentTest extends LessonTest {
 
   private static final String COOKIE_NAME = "hijack_cookie";

src/test/java/org/owasp/webgoat/lessons/hijacksession/cas/HijackSessionAuthenticationProviderTest.java

@@ -17,12 +17,6 @@ import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
 import org.owasp.webgoat.lessons.hijacksession.cas.Authentication.AuthenticationBuilder;
 
-/***
- *
- * @author Angel Olle Blazquez
- *
- */
-
 class HijackSessionAuthenticationProviderTest {
 
   HijackSessionAuthenticationProvider provider = new HijackSessionAuthenticationProvider();

src/test/java/org/owasp/webgoat/lessons/spoofcookie/SpoofCookieAssignmentTest.java

@@ -24,12 +24,6 @@ import org.springframework.http.MediaType;
 import org.springframework.test.web.servlet.ResultActions;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 
-/***
- *
- * @author Angel Olle Blazquez
- *
- */
-
 class SpoofCookieAssignmentTest extends LessonTest {
 
   private static final String COOKIE_NAME = "spoof_auth";

src/test/java/org/owasp/webgoat/lessons/spoofcookie/encoders/EncDecTest.java

@@ -15,12 +15,6 @@ import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
 
-/***
- *
- * @author Angel Olle Blazquez
- *
- */
-
 class EncDecTest {
 
   @ParameterizedTest

src/test/java/org/owasp/webgoat/lessons/sqlinjection/introduction/SqlInjectionLesson10Test.java

@@ -12,10 +12,6 @@ import org.junit.jupiter.api.Test;
 import org.owasp.webgoat.container.plugins.LessonTest;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 
-/**
- * @author Benedikt Stuhrmann
- * @since 11/07/18.
- */
 public class SqlInjectionLesson10Test extends LessonTest {
 
   private String completedError = "JSON path \"lessonCompleted\"";

src/test/java/org/owasp/webgoat/lessons/sqlinjection/introduction/SqlInjectionLesson8Test.java

@@ -13,10 +13,6 @@ import org.junit.jupiter.api.Test;
 import org.owasp.webgoat.container.plugins.LessonTest;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 
-/**
- * @author Benedikt Stuhrmann
- * @since 11/07/18.
- */
 public class SqlInjectionLesson8Test extends LessonTest {
 
   @Test

src/test/java/org/owasp/webgoat/lessons/sqlinjection/introduction/SqlInjectionLesson9Test.java

@@ -13,10 +13,6 @@ import org.junit.jupiter.api.Test;
 import org.owasp.webgoat.container.plugins.LessonTest;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 
-/**
- * @author Benedikt Stuhrmann
- * @since 11/07/18.
- */
 public class SqlInjectionLesson9Test extends LessonTest {
 
   private final String completedError = "JSON path \"lessonCompleted\"";

src/test/java/org/owasp/webgoat/lessons/sqlinjection/mitigation/SqlInjectionLesson13Test.java

@@ -12,10 +12,6 @@ import org.junit.jupiter.api.Test;
 import org.owasp.webgoat.container.plugins.LessonTest;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 
-/**
- * @author nbaars
- * @since 5/21/17.
- */
 public class SqlInjectionLesson13Test extends LessonTest {
 
   @Test

src/test/java/org/owasp/webgoat/lessons/ssrf/SSRFTest1.java

@@ -14,10 +14,6 @@ import org.owasp.webgoat.container.plugins.LessonTest;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
-/**
- * @author afry
- * @since 12/28/18.
- */
 public class SSRFTest1 extends LessonTest {
 
   @BeforeEach

src/test/java/org/owasp/webgoat/lessons/ssrf/SSRFTest2.java

@@ -14,10 +14,6 @@ import org.owasp.webgoat.container.plugins.LessonTest;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 import org.springframework.test.web.servlet.setup.MockMvcBuilders;
 
-/**
- * @author afry
- * @since 12/28/18.
- */
 public class SSRFTest2 extends LessonTest {
 
   @BeforeEach

src/test/java/org/owasp/webgoat/lessons/xss/CrossSiteScriptingLesson1Test.java

@@ -12,9 +12,6 @@ import org.junit.jupiter.api.Test;
 import org.owasp.webgoat.container.plugins.LessonTest;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
 
-/**
- * @author Angel Olle Blazquez
- */
 class CrossSiteScriptingLesson1Test extends LessonTest {
 
   private static final String CONTEXT_PATH = "/CrossSiteScripting/attack1";