Fixed quotes and spelling in new actor examples. Fixed RollingNumbers to do nothing instead of crashing if it's rendered before it loads its metrics.

Docs/Themerdocs/Examples/Example_Actors/BitmapText.lua

@@ -1,17 +1,17 @@
--- A simple BitmapText example. Puts “Hello World!” in the center of the screen.
+-- A simple BitmapText example. Puts "Hello World!" in the center of the screen.
 -- BitmapTexts put text on the screen (pretty self-explanatory)
 
 Def.BitmapText{
-	Font=”Common normal”,
-	-- Chooses the font for the text. The font needs to be in the themes Fonts folder or 
-	-- the fallback theme’s Fonts folder. By default, Common normal is 
--- “_open sans semibold”.
-	-- File is used in XML files from ITG, instead of Font. It’s deprecated. 
--- You shouldn’t use it.
+	Font="Common Normal",
+	-- Chooses the font for the text. The font needs to be in the theme's Fonts
+	-- folder or the fallback theme's Fonts folder. By default, Common Normal
+	-- is "_open sans semibold".
+	-- File is used in XML files from ITG, instead of Font. It's deprecated.
+	-- You shouldn't use it.
 	
-	Text=”Hello World!”,
+	Text="Hello World!",
 	-- Chooses what the BitmapText will show. Pretty straightforward.
 
-	OnCommand=cmd(Center)
+	OnCommand= function(self) self:Center() end,
 	-- Puts the text in the center in the center of the screen.
 }