Adds Eclipse Dash License tool (#227)

Signed-off-by: Jannik Fried <Jannik.Fried@iese.fraunhofer.de>

pom.xml

@@ -82,8 +82,32 @@
 		<aas4j-version>1.0.0</aas4j-version>
 	</properties>
 
+	<pluginRepositories>
+		<pluginRepository>
+			<id>dash-licenses-snapshots</id>
+			<url>https://repo.eclipse.org/content/repositories/dash-licenses-snapshots/</url>
+			<snapshots>
+				<enabled>true</enabled>
+			</snapshots>
+		</pluginRepository>
+	</pluginRepositories>
+
 	<build>
 		<plugins>
+				<plugin>
+					<groupId>org.eclipse.dash</groupId>
+					<artifactId>license-tool-plugin</artifactId>
+					<version>1.1.1-SNAPSHOT</version>
+					<executions>
+						<execution>
+							<id>license-check</id>
+							<goals>
+								<goal>license-check</goal>
+							</goals>
+						</execution>
+					</executions>
+				</plugin>
+
 			<plugin>
 				<groupId>org.codehaus.mojo</groupId>
 				<artifactId>flatten-maven-plugin</artifactId>