- improve the fixdeps task to handle a multi project environment
- add tests and documentation of the task


git-svn-id: https://svn.apache.org/repos/asf/ant/ivy/core/trunk@1507801 13f79535-47bb-0310-9956-ffa450edef68
fix test of fixdeps


git-svn-id: https://svn.apache.org/repos/asf/ant/ivy/core/trunk@1507802 13f79535-47bb-0310-9956-ffa450edef68