Use newer sisu version

pom.xml

@@ -135,13 +135,8 @@
 			<dependency>
 				<groupId>org.eclipse.sisu</groupId>
 				<artifactId>org.eclipse.sisu.plexus</artifactId>
-				<version>0.3.5</version>
 				<!-- classes from plexus-container-default come with the maven installation -->
-				<!-- BUT groupId/artifactId was changed from
-				       plexus-container-default (maven 2.0.x)
-				       sisu-inject-plexus (maven 3.0.x)
-				       org.eclipse.sisu.plexus (maven 3.1.x)
-				     by using org.eclipse.sisu.plexus we effectively require maven 3.1.x as min version at runitme-->
+				<version>0.9.0.M2</version>
 				<scope>provided</scope>
 			</dependency>
 			<dependency>