[FEATURE] Create dummy template for content objects

If there is a new content object without a valid template file,
the prepare loader method of the content loader will create
a dummy template at the right place.

Change-Id: Ib6959d1715f6261db68a6b6616cbe150fee04dfe
Reviewed-on: http://review.typo3.org/32378
Reviewed-by: Carsten Biebricher <cb@hdnet.de>
Tested-by: Carsten Biebricher <cb@hdnet.de>