following textures by TenPlus1 (CC BY-SA 3.0):
	protector_display.png -> postool_display.png SwissalpS only changed colour values

postool_wand.png SwissalpS took from [missions] and changed the colours

mesecons_use_fg.png and mesecons_use_bg.png are [xp_redo]s xp_progress_fg.png and xp_progress_bg.png
mesecons_use_fg_mid.png and mesecons_use_fg_high.png are copies of mesecons_use_fg.png with changed colours
(and sometimes converted to indexed colours)
