NLS tweaks
diff --git a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/JpaProject.java b/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/JpaProject.java
index 2b4abb5..a4186e4 100644
--- a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/JpaProject.java
+++ b/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/JpaProject.java
@@ -93,7 +93,7 @@
 	 * ID string used when userOverrideDefaultSchemaName property is changed.
 	 * @see org.eclipse.jpt.utility.model.Model#addPropertyChangeListener(String, org.eclipse.jpt.utility.model.listener.PropertyChangeListener)
 	 */
-	String USER_OVERRIDE_DEFAULT_SCHEMA_NAME_PROPERTY = "userOverrideDefaultSchemaName";
+	String USER_OVERRIDE_DEFAULT_SCHEMA_NAME_PROPERTY = "userOverrideDefaultSchemaName"; //$NON-NLS-1$
 	
 	/**
 	 * Return the name of the schema to be used as a default for the project
@@ -119,7 +119,7 @@
 	 * ID string used when discoversAnnotatedClasses property is changed.
 	 * @see org.eclipse.jpt.utility.model.Model#addPropertyChangeListener(String, org.eclipse.jpt.utility.model.listener.PropertyChangeListener)
 	 */
-	String DISCOVERS_ANNOTATED_CLASSES_PROPERTY = "discoversAnnotatedClasses";
+	String DISCOVERS_ANNOTATED_CLASSES_PROPERTY = "discoversAnnotatedClasses"; //$NON-NLS-1$
 	
 	/**
 	 * Return whether the JPA project will "discover" annotated classes
@@ -142,7 +142,7 @@
 	 * ID string used when jpaFiles collection is changed.
 	 * @see org.eclipse.jpt.utility.model.Model#addCollectionChangeListener(String, org.eclipse.jpt.utility.model.listener.CollectionChangeListener)
 	 */
-	String JPA_FILES_COLLECTION = "jpaFiles";
+	String JPA_FILES_COLLECTION = "jpaFiles"; //$NON-NLS-1$
 
 	/**
 	 * Return the JPA project's JPA files.
@@ -325,7 +325,7 @@
 			}
 			@Override
 			public String toString() {
-				return "IJpaProject.Updater.Null";
+				return "JpaProject.Updater.Null"; //$NON-NLS-1$
 			}
 		}
 
diff --git a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/MappingKeys.java b/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/MappingKeys.java
index 5f87c92..c66b892 100644
--- a/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/MappingKeys.java
+++ b/jpa/plugins/org.eclipse.jpt.core/src/org/eclipse/jpt/core/MappingKeys.java
@@ -18,8 +18,9 @@
  * pioneering adopters on the understanding that any code that uses this API
  * will almost certainly be broken (repeatedly) as the API evolves.
  */
-public interface MappingKeys
-{
+@SuppressWarnings("nls")
+public interface MappingKeys {
+
 	String ENTITY_TYPE_MAPPING_KEY = "entity";
 	String MAPPED_SUPERCLASS_TYPE_MAPPING_KEY = "mappedSuperclass";
 	String EMBEDDABLE_TYPE_MAPPING_KEY = "embeddable";
@@ -36,4 +37,5 @@
 	String EMBEDDED_ID_ATTRIBUTE_MAPPING_KEY = "embeddedId";
 	String TRANSIENT_ATTRIBUTE_MAPPING_KEY = "transient";
 	String NULL_ATTRIBUTE_MAPPING_KEY = null;
+
 }
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/Filter.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/Filter.java
index b88c7f9..7b26b7f 100644
--- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/Filter.java
+++ b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/Filter.java
@@ -45,7 +45,7 @@
 		}
 		@Override
 		public String toString() {
-			return "Filter.Null";
+			return "Filter.Null";  //$NON-NLS-1$
 		}
 	}
 
@@ -66,7 +66,7 @@
 		}
 		@Override
 		public String toString() {
-			return "Filter.Disabled";
+			return "Filter.Disabled";  //$NON-NLS-1$
 		}
 	}