Add nexus-staging-plugin

Author: cboehme

pom.xml

@@ -215,6 +215,13 @@
 					<artifactId>versions-maven-plugin</artifactId>
 					<version>2.1</version>
 				</plugin>
+
+				<plugin>
+					<groupId>org.sonatype.plugins</groupId>
+					<artifactId>nexus-staging-maven-plugin</artifactId>
+					<version>1.6.5</version>
+					<extensions>true</extensions>
+				</plugin>
 			</plugins>
 		</pluginManagement>
 	</build>