Skip staging of non-deployable modules

Change-Id: I2882a5b4df627f440d17733b57fa173d85ea8c6e

all/pom.xml

 						<skip>true</skip>
 					</configuration>
 				</plugin>
+				<plugin>
+					<groupId>org.sonatype.plugins</groupId>
+					<artifactId>nexus-staging-maven-plugin</artifactId>
+					<configuration>
+						<skipNexusStagingDeployMojo>true</skipNexusStagingDeployMojo>
+					</configuration>
+				</plugin>
 
 				<plugin>
 					<artifactId>maven-install-plugin</artifactId>

buildhelpers/pom.xml

 						<skipSource>true</skipSource>
 					</configuration>
 				</plugin>
+				<plugin>
+					<groupId>org.sonatype.plugins</groupId>
+					<artifactId>nexus-staging-maven-plugin</artifactId>
+					<configuration>
+						<skipNexusStagingDeployMojo>true</skipNexusStagingDeployMojo>
+					</configuration>
+				</plugin>
 			</plugins>
 		</pluginManagement>
 	</build>

liferay/pom.xml

                 </configuration>
             </plugin>
         </plugins>
+        <pluginManagement>
+			<plugins>
+				<plugin>
+					<groupId>org.sonatype.plugins</groupId>
+					<artifactId>nexus-staging-maven-plugin</artifactId>
+					<configuration>
+						<skipNexusStagingDeployMojo>true</skipNexusStagingDeployMojo>
+					</configuration>
+				</plugin>
+			</plugins>
+        </pluginManagement>
     </build>
 
 </project>

uitest/pom.xml

                 </configuration>
             </plugin>
         </plugins>
+		<pluginManagement>
+			<plugins>
+				<plugin>
+					<groupId>org.sonatype.plugins</groupId>
+					<artifactId>nexus-staging-maven-plugin</artifactId>
+					<configuration>
+						<skipNexusStagingDeployMojo>true</skipNexusStagingDeployMojo>
+					</configuration>
+				</plugin>
+			</plugins>
+		</pluginManagement>
     </build>
 
 </project>