Minor changes (constants, headers, obsolete code)
diff --git a/plugins/org.eclipse.app4mc.amalthea.converters.200/src/org/eclipse/app4mc/amalthea/converters200/impl/SchedulerConverter.java b/plugins/org.eclipse.app4mc.amalthea.converters.200/src/org/eclipse/app4mc/amalthea/converters200/impl/SchedulerConverter.java
index 1971d61..86c7eff 100644
--- a/plugins/org.eclipse.app4mc.amalthea.converters.200/src/org/eclipse/app4mc/amalthea/converters200/impl/SchedulerConverter.java
+++ b/plugins/org.eclipse.app4mc.amalthea.converters.200/src/org/eclipse/app4mc/amalthea/converters200/impl/SchedulerConverter.java
@@ -40,10 +40,6 @@
 import org.osgi.service.component.annotations.Component;
 import org.osgi.service.component.annotations.Reference;
 
-/**
- * @author mlh2sh
- *
- */
 @Component(
 		property = {
 			ServiceConstants.INPUT_MODEL_VERSION_PROPERTY + "=1.2.0",
@@ -56,6 +52,13 @@
 	private static final String VALUE = "value";
 	private static final String UNIT = "unit";
 	private static final String EXTENDED = "extended: ";
+	private static final String SCHEDULING_ALGORITHM = "schedulingAlgorithm";
+	private static final String SCHEDULING_PARAMETERS = "schedulingParameters";
+	private static final String PARAMETER_EXTENSIONS = "parameterExtensions";
+	private static final String PRIORITY = "priority";
+	private static final String MIN_BUDGET = "minBudget";
+	private static final String MAX_BUDGET = "maxBudget";
+	private static final String REPLENISHMENT2 = "replenishment";
 
 	@Reference
 	SessionLogger logger;
@@ -173,14 +176,14 @@
 			String type = elem.getAttributeValue("type", xsi).substring(3);	// type without prefix "am:"
 
 			// remove child element "schedulingAlgorithm"
-			parent.removeChild("schedulingAlgorithm");
+			parent.removeChild(SCHEDULING_ALGORITHM);
 
 			// add link to definition
 			String definition = findSchedulerDefinitionName(elem, type);
 			String link = HelperUtil.encodeName(definition) + "?type=SchedulerDefinition";
 
 			// store parameter extensions of (user specific) algorithm within parent
-			for (Element paramExt : elem.getChildren("parameterExtensions")) {
+			for (Element paramExt : elem.getChildren(PARAMETER_EXTENSIONS)) {
 				String key = paramExt.getAttributeValue(KEY);
 				String value = paramExt.getAttributeValue(VALUE);
 				addSchedulingParameter(parent, EXTENDED + key, "am:StringObject", value, null);				
@@ -222,27 +225,27 @@
 			Element parent = elem.getParentElement();
 
 			// remove old single child element "schedulingParameters"
-			parent.removeChild("schedulingParameters");
+			parent.removeChild(SCHEDULING_PARAMETERS);
 
 			// add new multiple child elements "schedulingParameters"
-			String priorityValue = elem.getAttributeValue("priority");
+			String priorityValue = elem.getAttributeValue(PRIORITY);
 			if (! priorityValue.equals("0")) {
-				addIntegerSchedulingParameter(parent, "priority", priorityValue);					
+				addIntegerSchedulingParameter(parent, PRIORITY, priorityValue);					
 			}
 
-			Element minBudget = elem.getChild("minBudget");
+			Element minBudget = elem.getChild(MIN_BUDGET);
 			if (minBudget != null) {
-				addTimeSchedulingParameter(parent, "minBudget", minBudget);							
+				addTimeSchedulingParameter(parent, MIN_BUDGET, minBudget);							
 			}
 
-			Element maxBudget = elem.getChild("maxBudget");
+			Element maxBudget = elem.getChild(MAX_BUDGET);
 			if (maxBudget != null) {
-				addTimeSchedulingParameter(parent, "maxBudget", maxBudget);							
+				addTimeSchedulingParameter(parent, MAX_BUDGET, maxBudget);							
 			}
 			
-			Element replenishment = elem.getChild("replenishment");
+			Element replenishment = elem.getChild(REPLENISHMENT2);
 			if (replenishment != null) {
-				addTimeSchedulingParameter(parent, "replenishment", replenishment);							
+				addTimeSchedulingParameter(parent, REPLENISHMENT2, replenishment);							
 			}
 		}
 
@@ -261,7 +264,7 @@
 			String value = elem.getAttributeValue(VALUE);
 
 			// remove old child element "parameterExtensions"
-			parent.removeChild("parameterExtensions");
+			parent.removeChild(PARAMETER_EXTENSIONS);
 
 			// add new child elements "schedulingParameters"
 			addSchedulingParameter(parent, EXTENDED + key, "am:StringObject", value, null);
@@ -274,8 +277,8 @@
 	private String findSchedulerDefinitionName(Element algorithmElement, String type) {
 		if (type.equals("UserSpecificSchedulingAlgorithm")) {
 			// collect parameter names
-			List<String> parameters = algorithmElement.getChildren("parameterExtensions").stream()
-				.map(param -> param.getAttributeValue("key"))
+			List<String> parameters = algorithmElement.getChildren(PARAMETER_EXTENSIONS).stream()
+				.map(param -> param.getAttributeValue(KEY))
 				.collect(Collectors.toList());
 			
 			// find the algorithm with the correct parameters
@@ -313,7 +316,7 @@
 
 	private void addSchedulingParameter(Element parent, String definition, String type, String value, String unit) {
 		// create parameter element
-		Element parameterElement = new Element("schedulingParameters");
+		Element parameterElement = new Element(SCHEDULING_PARAMETERS);
 		parent.addContent(parameterElement);
 
 		// add parameter key
diff --git a/plugins/org.eclipse.app4mc.amalthea.converters.common/src/org/eclipse/app4mc/amalthea/converters/common/utils/AmaltheaNamespaceRegistry.java b/plugins/org.eclipse.app4mc.amalthea.converters.common/src/org/eclipse/app4mc/amalthea/converters/common/utils/AmaltheaNamespaceRegistry.java
index b9dd131..17aef44 100644
--- a/plugins/org.eclipse.app4mc.amalthea.converters.common/src/org/eclipse/app4mc/amalthea/converters/common/utils/AmaltheaNamespaceRegistry.java
+++ b/plugins/org.eclipse.app4mc.amalthea.converters.common/src/org/eclipse/app4mc/amalthea/converters/common/utils/AmaltheaNamespaceRegistry.java
@@ -1,6 +1,6 @@
 /**

  ********************************************************************************

- * Copyright (c) 2019, 2021 Robert Bosch GmbH and others.

+ * Copyright (c) 2019-2021 Robert Bosch GmbH and others.

  *

  * This program and the accompanying materials are made

  * available under the terms of the Eclipse Public License 2.0

diff --git a/plugins/org.eclipse.app4mc.amalthea.converters.common/src/org/eclipse/app4mc/amalthea/converters/common/utils/ModelVersion.java b/plugins/org.eclipse.app4mc.amalthea.converters.common/src/org/eclipse/app4mc/amalthea/converters/common/utils/ModelVersion.java
index 6c7cece..a88434b 100644
--- a/plugins/org.eclipse.app4mc.amalthea.converters.common/src/org/eclipse/app4mc/amalthea/converters/common/utils/ModelVersion.java
+++ b/plugins/org.eclipse.app4mc.amalthea.converters.common/src/org/eclipse/app4mc/amalthea/converters/common/utils/ModelVersion.java
@@ -1,6 +1,6 @@
 /**

  ********************************************************************************

- * Copyright (c) 2015-2020 Robert Bosch GmbH and others.

+ * Copyright (c) 2015-2021 Robert Bosch GmbH and others.

  *

  * This program and the accompanying materials are made

  * available under the terms of the Eclipse Public License 2.0

@@ -108,11 +108,6 @@
 			allSupportedVersions.add(allVersions[i].value);

 		}

 

-		// no support for itea versions

-		allSupportedVersions.remove("itea.103");

-		allSupportedVersions.remove("itea.110");

-		allSupportedVersions.remove("itea.111");

-

 		return allSupportedVersions;

 	}