Use older Ivy API

git-svn-id: https://svn.apache.org/repos/asf/ant/ivy/ivyde/trunk@1463022 13f79535-47bb-0310-9956-ffa450edef68
Use older Ivy API

git-svn-id: https://svn.apache.org/repos/asf/ant/ivy/ivyde/trunk@1463023 13f79535-47bb-0310-9956-ffa450edef68
IVYDE-338: on Windows, .gif seems to be badly supported, switching to .png


git-svn-id: https://svn.apache.org/repos/asf/ant/ivy/ivyde/trunk@1463029 13f79535-47bb-0310-9956-ffa450edef68