Reformat initializer lists in all constructors.

Reformat initializer lists in all constructors.

Use a consistent, readable format for all initializers. This
layout facilitates the next several patches, which implement
Effective C++ recommendations and remove compiler warnings.
The layout also works with the astyle settings in the reindent
script.

Signed-off-by: Ray Lehtiniemi <rayl@mail.com>
svn path=/trunk/kdenlive/; revision=3225