Implemented Jersey spring dependency injection.

Change-Id: I0d6520c7d489f384d3d03a70b23d9979ba3f11da
diff --git a/src/main/resources/META-INF/persistence.xml b/src/main/resources/META-INF/persistence.xml
new file mode 100644
index 0000000..ae76d18
--- /dev/null
+++ b/src/main/resources/META-INF/persistence.xml
@@ -0,0 +1,5 @@
+<persistence xmlns="http://java.sun.com/xml/ns/persistence" version="1.0">
+    <persistence-unit name="entityManagerUnit" transaction-type="RESOURCE_LOCAL">
+        <exclude-unlisted-classes/>
+    </persistence-unit>
+</persistence>
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