Squashed commit of the following:

commit f9ac1682
Author: Lars Bilke <lars.bilke@ufz.de>
Date:   Wed Feb 1 12:33:26 2012 +0100

    White space fixes.

commit 7e0092ae
Author: Lars Bilke <lars.bilke@ufz.de>
Date:   Wed Feb 1 12:30:57 2012 +0100

    SOme small fixes.

commit 3410933d
Author: Lars Bilke <lars.bilke@ufz.de>
Date:   Tue Jan 31 17:29:33 2012 +0100

    Cobertura code coverage report generation with gcovr added.

commit b27f8064
Author: Lars Bilke <lars.bilke@ufz.de>
Date:   Tue Jan 31 16:07:39 2012 +0100

    Fixed typo.