Build fiel changes


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271150 13f79535-47bb-0310-9956-ffa450edef68

Don't try to build non-existent IO library (Sorry Gump)


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271122 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271080 13f79535-47bb-0310-9956-ffa450edef68

An1 compatability - sort of


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271078 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270827 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270812 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269043 13f79535-47bb-0310-9956-ffa450edef68

Reorganization of classes to a fair extent
Introduction of a non-functional parallel task
Converted some data types over
Initial experiments with apsects used to store data type values


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269031 13f79535-47bb-0310-9956-ffa450edef68

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@269017 13f79535-47bb-0310-9956-ffa450edef68