LV-encoding messages, added JPA validation.

.settings/org.eclipse.jdt.core.prefs

@@ -1,7 +1,10 @@
 eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
 org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.8
 org.eclipse.jdt.core.compiler.compliance=1.8
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
 org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
 org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
 org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=ignore
 org.eclipse.jdt.core.compiler.release=disabled

.settings/org.eclipse.jpt.core.prefs

@@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+org.eclipse.jpt.core.platform=generic2_1
+org.eclipse.jpt.jpa.core.discoverAnnotatedClasses=true

.settings/org.eclipse.wst.common.project.facet.core.prefs.xml

@@ -0,0 +1,7 @@
+<root>
+  <facet id="jpt.jpa">
+    <node name="libprov">
+      <attribute name="provider-id" value="jpa-no-op-library-provider"/>
+    </node>
+  </facet>
+</root>

.settings/org.eclipse.wst.common.project.facet.core.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<faceted-project>
+  <installed facet="java" version="1.8"/>
+  <installed facet="jpt.jpa" version="2.1"/>
+</faceted-project>