Merge branch 'master' of https://projects.cit-ec.uni-bielefeld.de/git/ipaaca

build.xml

+<project name="ipaaca" default="build" basedir=".">
+  <target name="build">
+    <subant target="build" genericantfile="build.xml">
+      <fileset dir="." includes="*/build.xml"/>
+    </subant>
+  </target>
+
+  <target name="clean">
+    <subant target="clean" genericantfile="build.xml">
+      <fileset dir="." includes="*/build.xml"/>
+    </subant>
+  </target>
+
+  <target name="compile">
+    <subant target="compile" genericantfile="build.xml">
+      <fileset dir="." includes="*/build.xml"/>
+    </subant>
+  </target>
+
+  <target name="minorrelease">
+    <subant target="compile" genericantfile="build.xml">
+      <fileset dir="." includes="*/build.xml"/>
+    </subant>
+  </target>
+
+</project>