Fix coffee-manager build srcdir
The jar target depends on the compile target, but
the faulty srcdir on the compile target makes
the jar target infer the files it needs and recompiles
them.
<target name="compile" depends="init">
<mkdir dir="build"/>
- <javac srcdir="org/contikios/coffee" destdir="build" includeantruntime="false" debug="true" />
+ <javac srcdir="." destdir="build" includeantruntime="false" debug="true" />
</target>
<target name="clean" depends="init">
