Add plugin to build release zip (run mvn assembly:assembly)

etc/assembly-all.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly>
+	<id>all</id>
+	<formats>
+		<format>zip</format>
+	</formats>
+	<fileSets>
+		<fileSet>
+			<includes>
+				<include>README*</include>
+				<include>license*</include>
+				<include>CHANGES*</include>
+				<include>lib/</include>
+				<include>src/</include>
+			</includes>
+		</fileSet>
+		<fileSet>
+			<directory>target</directory>
+			<outputDirectory></outputDirectory>
+			<includes>
+				<include>kryo*.jar</include>
+			</includes>
+		</fileSet>
+	</fileSets>
+</assembly>

pom.xml

@@ -160,6 +160,13 @@
 					</instructions>
 				</configuration>
 			</plugin>
+			<plugin>
+				<artifactId>maven-assembly-plugin</artifactId>
+				<version>2.4</version>
+				<configuration>
+					<descriptor>etc/assembly-all.xml</descriptor>
+				</configuration>
+			</plugin>
 		</plugins>
 	</build>