Remove duplicate backgrounds

Fixes #1598
2017-01-03 08:42:13 -08:00 · 2017-01-03 08:42:13 -08:00 · c6fc4c89f5
commit c6fc4c89f5
--- a/Backgrounds/BACKGROUNDS
+++ b/Backgrounds/BACKGROUNDS
@ -1,12 +1,12 @@
-atom-playground.jpg	Atom Playground
+atom_playground.jpg	Atom Playground
 bedroom1.gif	Bedroom 1
 bedroom2.gif	Bedroom 2
-berkeley-mural.jpg	Berkeley Mural
+berkeley_mural.jpg	Berkeley Mural
 brick-wall-and-stairs.jpg	Brick Wall and Stairs
 brick-wall1.jpg	Brick Wall 1
 brick-wall2.jpg	Brick Wall 2
 desert.gif	Desert
-night-city-with-street.gif	Night City with Street
-party-room.jpg	Party Room
+night_city_with_street.gif	Night City with Street
+party_room.jpg	Party Room
 pathway.jpg	Pathway
 xy-grid.gif	XY Grid
--- a/Backgrounds/atom-playground.jpg
+++ b/Backgrounds/atom-playground.jpg
--- a/Backgrounds/berkeley-mural.jpg
+++ b/Backgrounds/berkeley-mural.jpg
--- a/Backgrounds/brick-wall-and-stairs.jpg
+++ b/Backgrounds/brick-wall-and-stairs.jpg
--- a/Backgrounds/night-city-with-street.gif
+++ b/Backgrounds/night-city-with-street.gif
--- a/Backgrounds/party-room.jpg
+++ b/Backgrounds/party-room.jpg