Add support for embedding Info.plist into unbundled executable products.

Task-number: QBS-468

Change-Id: I0b2cbb1b0aba3f73baf17d703eac5ecb687f54a0
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
Style: don't pass empty command arguments.

Change-Id: I7159933e244e4ed008c1f38b6d481c96caaef33f
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>