SDK:
- add ant task to update NetBeans module dependencies from a base platforms module versions
- cleanup some stuff in the ant tasks, add local test code for downloading external wiki images (inactive)

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@10190 75d07b2b-3a1a-0410-a2c5-0572b91ccdca