Changed the import in WADL

Changed to uppercase the xsd import in the wadl. Issue on linux when
compile
Delete the target dir

Wrongly the maven target of the cxf-rs module was added to the repo.
This will remove it.
In this case I've launch the command:
(Windows) git rm -r cxf\cxf-rs\target\
Revert "Changed the import in WADL"

This reverts commit 3c57ed717378d68b20feba4fd1deb7777c621733.