fix #1 and prepare for build

src/conf.lua

@@ -1,6 +1,6 @@
 function love.conf(t)
     t.title = "FADE"
-    t.console = true --tmp
+    --t.console = true --tmp
 
     --local w, h = love.window.getDesktopDimensions()
     --t.window.width = w

src/main.lua

@@ -134,6 +134,9 @@ function love.keypressed(key)
 
     if key == "b" then
         blacknwhite = not blacknwhite
+        if not blacknwhite then
+            swatch = 4
+        end
     end
 
     if key == "c" then