Link to marbledata when building out of tree

When building and running subsurface out of tree, marbledata was
inaccessible to subsurface.

Signed-off-by: Anton Lundin <glance@acc.umu.se>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Saving edits requires to move focus first

After editing values in cylinders or weights hitting save will not save
the changes to save the edit one must move the focus to a different
field first this is fixed by losing the focus before saving the changes

Fixes #412

Signed-off-by: Gehad elrobey <gehadelrobey@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>