Add jaxb-core as a dependency

This change fixes errors due to missing classes during compilation.
Closes #27

Author: Christian Roeder

plugin/pom.xml

@@ -62,6 +62,11 @@
 			<artifactId>jaxb-impl</artifactId>
 			<scope>provided</scope>
 		</dependency>
+		<dependency>
+			<groupId>com.sun.xml.bind</groupId>
+			<artifactId>jaxb-core</artifactId>
+			<scope>provided</scope>
+		</dependency>
 		<dependency>
 			<groupId>com.sun.xml.bind</groupId>
 			<artifactId>jaxb-xjc</artifactId>
@@ -81,4 +86,4 @@
 	<build>
 		<defaultGoal>install</defaultGoal>
 	</build>
-</project>
+</project>

pom.xml

@@ -200,6 +200,11 @@
 				<artifactId>jaxb-impl</artifactId>
 				<version>${jaxb.version}</version>
 			</dependency>
+			<dependency>
+				<groupId>com.sun.xml.bind</groupId>
+				<artifactId>jaxb-core</artifactId>
+				<version>${jaxb.version}</version>
+			</dependency>
 			<dependency>
 				<groupId>com.sun.xml.bind</groupId>
 				<artifactId>jaxb-xjc</artifactId>