[releng] Move to Maven 3.6.3, Tycho 1.6, Java 11 build for CG tests
diff --git a/releng/org.eclipse.ocl.releng.tycho/.launches/Test OCL CodeGen.launch b/releng/org.eclipse.ocl.releng.tycho/.launches/Test OCL CodeGen.launch
index 8012ed7..9c9d1c1 100644
--- a/releng/org.eclipse.ocl.releng.tycho/.launches/Test OCL CodeGen.launch
+++ b/releng/org.eclipse.ocl.releng.tycho/.launches/Test OCL CodeGen.launch
@@ -1,19 +1,20 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>

 <launchConfiguration type="org.eclipse.m2e.Maven2LaunchConfigurationType">

-<booleanAttribute key="M2_DEBUG_OUTPUT" value="false"/>

-<stringAttribute key="M2_GOALS" value="clean test"/>

-<booleanAttribute key="M2_NON_RECURSIVE" value="false"/>

-<booleanAttribute key="M2_OFFLINE" value="false"/>

-<stringAttribute key="M2_PROFILES" value="branchTestsLatest"/>

-<listAttribute key="M2_PROPERTIES"/>

-<stringAttribute key="M2_RUNTIME" value="EMBEDDED"/>

-<booleanAttribute key="M2_SKIP_TESTS" value="false"/>

-<intAttribute key="M2_THREADS" value="1"/>

-<booleanAttribute key="M2_UPDATE_SNAPSHOTS" value="false"/>

-<stringAttribute key="M2_USER_SETTINGS" value=""/>

-<booleanAttribute key="M2_WORKSPACE_RESOLUTION" value="false"/>

-<stringAttribute key="org.eclipse.debug.core.ATTR_REFRESH_SCOPE" value="${project}"/>

-<booleanAttribute key="org.eclipse.jdt.launching.ATTR_USE_CLASSPATH_ONLY_JAR" value="false"/>

-<stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>

-<stringAttribute key="org.eclipse.jdt.launching.WORKING_DIRECTORY" value="${workspace_loc:/org.eclipse.ocl.codegen.tests}"/>

+    <booleanAttribute key="M2_DEBUG_OUTPUT" value="false"/>

+    <stringAttribute key="M2_GOALS" value="clean test"/>

+    <booleanAttribute key="M2_NON_RECURSIVE" value="false"/>

+    <booleanAttribute key="M2_OFFLINE" value="false"/>

+    <stringAttribute key="M2_PROFILES" value="branchTestsLatest"/>

+    <listAttribute key="M2_PROPERTIES"/>

+    <stringAttribute key="M2_RUNTIME" value="EMBEDDED"/>

+    <booleanAttribute key="M2_SKIP_TESTS" value="false"/>

+    <intAttribute key="M2_THREADS" value="1"/>

+    <booleanAttribute key="M2_UPDATE_SNAPSHOTS" value="false"/>

+    <stringAttribute key="M2_USER_SETTINGS" value=""/>

+    <booleanAttribute key="M2_WORKSPACE_RESOLUTION" value="false"/>

+    <stringAttribute key="org.eclipse.debug.core.ATTR_REFRESH_SCOPE" value="${project}"/>

+    <booleanAttribute key="org.eclipse.jdt.launching.ATTR_ATTR_USE_ARGFILE" value="false"/>

+    <booleanAttribute key="org.eclipse.jdt.launching.ATTR_USE_CLASSPATH_ONLY_JAR" value="false"/>

+    <stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11"/>

+    <stringAttribute key="org.eclipse.jdt.launching.WORKING_DIRECTORY" value="${workspace_loc:/org.eclipse.ocl.codegen.tests}"/>

 </launchConfiguration>

diff --git a/releng/org.eclipse.ocl.releng.tycho/pom.xml b/releng/org.eclipse.ocl.releng.tycho/pom.xml
index 9a7a2f7..2086e3e 100644
--- a/releng/org.eclipse.ocl.releng.tycho/pom.xml
+++ b/releng/org.eclipse.ocl.releng.tycho/pom.xml
@@ -45,7 +45,7 @@
     <os-jvm-flags/>
 
     <!-- plugin versions -->
-    <!-- cd to the releng/org.eclipse.ocl.releng.tycho folder then use 'mvn versions:display-plugin-updates' to check for the latest -->
+    <!-- use the "Build OCL - Versions" launch to check for the latest -->
     <eclipse-jarsigner-version>1.1.2</eclipse-jarsigner-version>
     <exec-maven-version>3.0.0</exec-maven-version>
     <findbugs-maven-version>3.0.0</findbugs-maven-version>
diff --git a/tests/org.eclipse.ocl.codegen.tests/pom.xml b/tests/org.eclipse.ocl.codegen.tests/pom.xml
index a2bb73a..eec1bdc 100644
--- a/tests/org.eclipse.ocl.codegen.tests/pom.xml
+++ b/tests/org.eclipse.ocl.codegen.tests/pom.xml
@@ -49,13 +49,28 @@
     <os-jvm-flags/>
 
     <!-- plugin versions -->
-    <!-- cd to the releng/org.eclipse.ocl.releng.tycho folder then use 'mvn versions:display-plugin-updates' to check for the latest -->
-    <tycho-version>1.1.0</tycho-version>
+    <!-- use the "Build OCL - Versions" launch to check for the latest -->
+    <eclipse-jarsigner-version>1.1.2</eclipse-jarsigner-version>
+    <exec-maven-version>3.0.0</exec-maven-version>
+    <findbugs-maven-version>3.0.0</findbugs-maven-version>
+    <jacoco-maven-version>0.8.17</jacoco-maven-version>
+    <maven-antrun-version>3.0.0</maven-antrun-version>
+    <maven-assembly-version>3.3.0</maven-assembly-version>
+    <maven-checkstyle-version>3.1.1</maven-checkstyle-version>
+    <maven-clean-version>3.1.0</maven-clean-version>
+    <maven-compiler-version>3.8.1</maven-compiler-version>
+    <maven-deploy-version>3.0.0-M1</maven-deploy-version>
+    <maven-enforcer-version>3.0.0-M3</maven-enforcer-version>
+    <maven-install-version>3.0.0-M1</maven-install-version>
+    <maven-jar-version>3.2.0</maven-jar-version>
+    <maven-javadoc-version>3.2.0</maven-javadoc-version>
+    <maven-jxr-version>3.0.0</maven-jxr-version>
+    <maven-pmd-version>3.13.0</maven-pmd-version>
+    <maven-resources-version>3.2.0</maven-resources-version>
+    <maven-site-version>3.9.1</maven-site-version>
+    <maven-surefire-version>3.0.0-M5</maven-surefire-version>
+    <tycho-version>1.6.0</tycho-version>
     <tycho-extras-version>${tycho-version}</tycho-extras-version>
-    <maven-resources-version>2.6</maven-resources-version>
-    <maven-compiler-version>3.1</maven-compiler-version>
-    <maven-clean-version>2.5</maven-clean-version>
-    <maven-surefire-version>2.17</maven-surefire-version>
   </properties>
 
   <build>
@@ -75,7 +90,7 @@
         <configuration>
           <includePackedArtifacts>true</includePackedArtifacts>
           <resolver>p2</resolver>
-          <executionEnvironment>JavaSE-1.8</executionEnvironment>
+          <!--executionEnvironment>JavaSE-1.8</executionEnvironment-->
           <target>
             <artifact>
               <groupId>org.eclipse.ocl</groupId>