additionally support oracle. Reintegrate postgreSQL.

src/main/resources/META-INF/persistence.xml

diff --git a/src/main/resources/META-INF/persistence.xml b/src/main/resources/META-INF/persistence.xml
index 2d823f0..57c51be 100644
--- a/src/main/resources/META-INF/persistence.xml
+++ b/src/main/resources/META-INF/persistence.xml
@@ -13,10 +13,6 @@
         <class>org.eclipse.openk.elogbook.persistence.model.TblResponsibility</class>
         <exclude-unlisted-classes>false</exclude-unlisted-classes>
         <properties>
-            <!--<property name="eclipselink.logging.file" value="../logs/eclipselink.log"/>-->
-            <!--<property name="eclipselink.logging.level" value="FINE" />-->
-            <!--<property name="eclipselink.logging.level.sql" value="FINE"/>-->
-            <!--<property name="eclipselink.logging.parameters" value="true"/>-->
         </properties>
     </persistence-unit>
     <persistence-unit name="betriebstagebuchORA">
@@ -30,13 +26,8 @@
         <class>org.eclipse.openk.elogbook.persistence.model.TblResponsibility</class>
         <exclude-unlisted-classes>false</exclude-unlisted-classes>
         <properties>
-            <!--property name="hibernate.globally_quoted_identifiers" value="true"/-->
             <property name="hibernate.dialect" value="org.hibernate.dialect.OracleDialect" />
             <property name="eclipselink.target-database" value="Oracle"/>
-            <!--<property name="eclipselink.logging.file" value="../logs/eclipselink.log"/>-->
-            <!--<property name="eclipselink.logging.level" value="FINE" />-->
-            <!--<property name="eclipselink.logging.level.sql" value="FINE"/>-->
-            <!--<property name="eclipselink.logging.parameters" value="true"/>-->
         </properties>
     </persistence-unit>
 </persistence>