Eclipse conf : Java 1.5


git-svn-id: https://svn.apache.org/repos/asf/ant/ivy/core/trunk@1553591 13f79535-47bb-0310-9956-ffa450edef68
Some OSGi environment seems to have been renamed: let's support both namings


git-svn-id: https://svn.apache.org/repos/asf/ant/ivy/core/trunk@1553592 13f79535-47bb-0310-9956-ffa450edef68
When inheriting a module descriptor, also merge the exclude rules
 => used to handle OSGi MANFIEST and their excecution environment 


git-svn-id: https://svn.apache.org/repos/asf/ant/ivy/core/trunk@1553593 13f79535-47bb-0310-9956-ffa450edef68