update portable build version
<property environment="env"/>
<!-- the build version if not overwritten by the caller -->
- <property name="jspwiki.woas.version" value="2.10.5" />
+ <property name="jspwiki.woas.version" value="2.11.0-M1" />
<!-- define the temporary build directory -->
<property name="jspwiki.woas.target.dir" value="${basedir}/target" />
