Update the version in the manifest for easier developement in Eclipse


git-svn-id: https://svn.apache.org/repos/asf/ant/ivy/core/trunk@1519296 13f79535-47bb-0310-9956-ffa450edef68
Add more context in the log about errors when parsing OSGi versions


git-svn-id: https://svn.apache.org/repos/asf/ant/ivy/core/trunk@1519299 13f79535-47bb-0310-9956-ffa450edef68
- make the buildobr task a post resolve task, so that it can work with set of resolved artifacts
- document how to manage an OSGi target platform, with samples


git-svn-id: https://svn.apache.org/repos/asf/ant/ivy/core/trunk@1519300 13f79535-47bb-0310-9956-ffa450edef68