Add assembly execution so that the zip is uploaded during release:per…

…form.

This should be the case according to
  http://stackoverflow.com/questions/2244344/deploying-assembly-package-with-maven-release-plugin
(not yet tested)

pom.xml

@@ -166,6 +166,19 @@
 				<configuration>
 					<descriptor>etc/assembly-all.xml</descriptor>
 				</configuration>
+				<!--
+					According to http://stackoverflow.com/questions/2244344/deploying-assembly-package-with-maven-release-plugin
+					this should add the assembly zip to the files uploaded during release:perform/deploy.
+				-->
+				<executions>
+					<execution>
+						<id>dist-assembly</id>
+						<phase>package</phase>
+						<goals>
+							<goal>single</goal>
+						</goals>
+					</execution>
+				</executions>
 			</plugin>
 		</plugins>
 	</build>