Добавлен ant task для компоновки библиотек в единый jar

.gitignore

@@ -1 +1,3 @@
 /dist/
+/store/
+/nbproject/private/

build.xml

@@ -10,6 +10,34 @@
 <project name="OwnLang" default="default" basedir=".">
     <description>Builds, tests, and runs the project OwnLang.</description>
     <import file="nbproject/build-impl.xml"/>
+    
+    <target name="package-for-store" depends="jar">
+        <property name="store.jar.name" value="${application.title}"/>
+ 
+        <property name="store.dir" value="store"/>
+        <property name="store.jar" value="${store.dir}/${store.jar.name}.jar"/>
+
+        <echo message="Packaging ${application.title} into a single JAR at ${store.jar}"/>
+
+        <delete dir="${store.dir}"/>
+        <mkdir dir="${store.dir}"/>
+
+        <jar destfile="${store.dir}/temp_final.jar" filesetmanifest="skip">
+            <zipgroupfileset dir="dist" includes="*.jar"/>
+            <zipgroupfileset dir="dist/lib" includes="*.jar"/>
+
+            <manifest>
+                <attribute name="Main-Class" value="${main.class}"/>
+            </manifest>
+        </jar>
+
+        <zip destfile="${store.jar}">
+            <zipfileset src="${store.dir}/temp_final.jar"
+           excludes="META-INF/*.SF, META-INF/*.DSA, META-INF/*.RSA"/>
+        </zip>
+
+        <delete file="${store.dir}/temp_final.jar"/>
+    </target>
     <!--
 
     There exist several targets which are by default empty and which can be