define EMBOSS_ROOT property

git-svn-id: svn+ssh://svn.internal.sanger.ac.uk/repos/svn/pathsoft/artemis/trunk@9838 ee4ac58c-ac51-4696-9907-e4b3aa274f04

test/build-test.xml

@@ -80,7 +80,7 @@
 	
   <target name="test" depends="compile">
   	<junit description="alltests" fork="yes">
-  	 <jvmarg value="-DEMBOSS_ROOT=/Users/tjc/EMBOSS/emboss/"/>
+  	 <jvmarg value="-DEMBOSS_ROOT=${EMBOSS_ROOT}"/>
   	 <batchtest todir="${build.dest.tests}">
   	 	<fileset dir="${build.src.tests}">
   	 		<include name="uk/ac/sanger/artemis/circular/digest/**Test.java"/>