fix file tag and style

This amends 638d4f104184fab48c541f8372284576e998a1a3.

Change-Id: I9a4c850e914caf35c230879d02b9fef6b289c7ae
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>
Adapt apps project files to be better embeddable in other projects.

Change-Id: I785bf772facf06e421754a07cce45c4b94e30196
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>