Add support for derby database

Apache Derby is an simple embeddable SQL database. It stores data in a
plain file.

pom.xml

@@ -93,9 +93,18 @@
 					<descriptors>
 						<descriptor>src/assembly/distribution-mysql5-bin.xml</descriptor>
 						<descriptor>src/assembly/distribution-h2-bin.xml</descriptor>
+						<descriptor>src/assembly/distribution-derby-bin.xml</descriptor>
 						<descriptor>src/assembly/distribution-src.xml</descriptor>
 					</descriptors>
 				</configuration>
+				<executions>
+					<execution>
+						<phase>package</phase>
+						<goals>
+							<goal>assembly</goal>
+						</goals>
+					</execution>
+				</executions>
 			</plugin>
 		</plugins>
 	</build>
@@ -168,6 +177,11 @@
 			<type>jar</type>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>org.apache.derby</groupId>
+			<artifactId>derby</artifactId>
+			<version>10.8.1.2</version>
+		</dependency>
 		<dependency>
 			<groupId>commons-dbcp</groupId>
 			<artifactId>commons-dbcp</artifactId>
@@ -234,7 +248,6 @@
 			<type>jar</type>
 			<scope>runtime</scope>
 		</dependency>
-		<!-- vfs -->
 	</dependencies>
 
 	<repositories>

src/assembly/distribution-derby-bin.xml

@@ -0,0 +1,50 @@
+<assembly
+	xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0"
+	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.0 http://maven.apache.org/xsd/assembly-1.1.0.xsd">
+	<id>derby-bin</id>
+	<formats>
+<!-- 		<format>tar.gz</format> -->
+<!-- 		<format>tar.bz2</format> -->
+		<format>zip</format>
+	</formats>
+	<baseDirectory></baseDirectory>
+	<fileSets>
+		<fileSet>
+			<directory>${project.basedir}</directory>
+			<outputDirectory>/</outputDirectory>
+			<includes>
+				<include>data/**</include>
+			</includes>
+			<excludes>
+				<exclude>.gitignore</exclude>
+				<exclude>data/cache/**</exclude>
+				<exclude>data/pathing.db</exclude>
+				<exclude>data/database.h2.*</exclude>
+			</excludes>
+		</fileSet>
+		<fileSet>
+			<directory>${project.basedir}/dist</directory>
+			<outputDirectory>/</outputDirectory>
+		</fileSet>
+		<fileSet>
+			<directory>${project.build.directory}</directory>
+			<outputDirectory>/</outputDirectory>
+			<includes>
+				<include>${project.artifactId}-${project.version}.jar</include>
+			</includes>
+		</fileSet>
+	</fileSets>
+	<dependencySets>
+		<dependencySet>
+			<outputDirectory>/libs</outputDirectory>
+			<useProjectArtifact>true</useProjectArtifact>
+			<unpack>false</unpack>
+			<scope>runtime</scope>
+			<excludes>
+				<exclude>mysql:*</exclude>
+				<exclude>com.h2database:*</exclude>
+			</excludes>
+		</dependencySet>
+	</dependencySets>
+</assembly>

src/assembly/distribution-h2-bin.xml

@@ -46,7 +46,8 @@
 			<unpack>false</unpack>
 			<scope>runtime</scope>
 			<excludes>
-				<exclude>mysql:mysql-connector-java</exclude>
+				<exclude>mysql:*</exclude>
+				<exclude>org.apache.derby:*</exclude>
 			</excludes>
 		</dependencySet>
 	</dependencySets>

src/assembly/distribution-mysql5-bin.xml

@@ -46,7 +46,8 @@
 			<unpack>false</unpack>
 			<scope>runtime</scope>
 			<excludes>
-				<exclude>com.h2database:h2</exclude>
+				<exclude>com.h2database:*</exclude>
+				<exclude>org.apache.derby:*</exclude>
 			</excludes>
 		</dependencySet>
 	</dependencySets>