Set 'gtk-button-images' to True in settings.ini - SL #3904 #3725
Set 'gtk-button-images' to True in settings.ini - SL #3904 #3725

For the same reason we set 'gtk-menu-images' in commit 6ad1090a .  In
the absence of an Xsettings manager, GTK+ reads default values for
settings from settings.ini .

Signed-off-by: Manuel Quiñones <6f5069c5b6be23302a13accec56587944be09079@laptop.org>
Acked-by: Simon Schampijer <088e16a1019277b15d58faf0541e11910eb756f6@laptop.org>

tchx84/debian-pkg-sugar-artwork,sugarlabs/sugar-artwork,sugarlabs/sugar-artwork,i5o/sugar-artwork,i5o/sugar-artwork,gusDuarte/sugar-artwork,gusDuarte/sugar-artwork,sugarlabs/sugar-artwork,ceibal-tatu/sugar-artwork,gusDuarte/sugar-artwork,gusDuarte/sugar-artwork,tchx84/debian-pkg-sugar-artwork,samdroid-apps/sugar-artwork,godiard/sugar-artwork,godiard/sugar-artwork,tchx84/debian-pkg-sugar-artwork,godiard/sugar-artwork,ceibal-tatu/sugar-artwork,samdroid-apps/sugar-artwork,samdroid-apps/sugar-artwork,ceibal-tatu/sugar-artwork,i5o/sugar-artwork