Fixes sourceforge bug #
3514704 (http://sourceforge.net/tracker/index.php?func=detail&aid=
3514704&group_id=46122&atid=445116).
Removed reference to unused/non-existant screenshot from help/Makefile.am.
figures/glabels-template-layout.png \
figures/glabels-template-rect-label.png \
figures/introduction-glabels-main-window.png \
- figures/main-window-empty.png \
figures/merge-ex1-1.png \
figures/merge-ex1-2.png \
figures/merge-ex1-3.png \