Adding some French translations for testing.
* The installation for core is special, in that the symlink targets are copied separately and are guaranteed to be there. * And do not dereference symlinks when creating the tarball.
In Makefile.sdk, I also decoupled the APP_NAME from the python distribution name used by setuptools.
- Preserve the java-lib directory in prod tarballs. - Exclude the java source directory from prod tarballs. - Exclude the mvn `target' directory from release builds. - Added top-level `ext-clean' target, to clean the ext-pys. - App clean should invoke `mvn clean' when applicable.