ModelAnt 2.17.1 is published

ModelAnt version 2.17.1 is published, now compiled with Java 6. The documentation of the ANT tasks, types and macros of ModelAnt is published in docs/antdoc. The documentation of the java implementation code is published in docs/api.

It provides slight documentation and macro improvements, including exists and for.each quantification as model conditions.

NOTE: ModelAnt 2.17.1 is compatible with ANT 1.7.1 and it is not compatible with ANT 1.8.x because of colliding implementations of <local> task.