enforce utf8 on mysql

pom.xml

@@ -15,7 +15,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<jpa.datasource.name>java:openejb/Resource/My DataSource</jpa.datasource.name>
-		<jpa.show_sql>false</jpa.show_sql>
+		<jpa.show_sql>true</jpa.show_sql>
 	</properties>
 
 	<build>

src/main/java/com/commafeed/backend/MySQL5Dialect.java

@@ -0,0 +1,10 @@
+package com.commafeed.backend;
+
+import org.hibernate.dialect.MySQL5InnoDBDialect;
+
+public class MySQL5Dialect extends MySQL5InnoDBDialect {
+
+	public String getTableTypeString() {
+		return " ENGINE=InnoDB DEFAULT CHARSET=utf8";
+	}
+}

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

@@ -10,6 +10,7 @@
 		<properties>
 			<property name="hibernate.hbm2ddl.auto" value="update" />
 			<property name="hibernate.show_sql" value="${jpa.show_sql}" />
+			<property name="hibernate.dialect" value="${jpa.dialect}" />
 			<property name="hibernate.default_batch_fetch_size" value="100" />
 		</properties>
 	</persistence-unit>