Some bugs fixed when inserting presentations. This feature still has some wrong behaviours.
Some bugs fixed when inserting presentations. This feature still has some wrong behaviours.

agordillo/vish_editor,agordillo/vish_editor,ging/vish_editor,rogervaas/vish_editor,ging/vish_editor,ging/vish_editor,rogervaas/vish_editor,rogervaas/vish_editor,agordillo/vish_editor