Modified the text inside "Install Required" dialogs to be consistent across all mods

mods/d2k/chrome/install.yaml

@@ -2,37 +2,30 @@ Background@INSTALL_PANEL:
 	Logic: InstallLogic
 	X: (WINDOW_RIGHT - WIDTH)/2
 	Y: (WINDOW_BOTTOM - HEIGHT)/2
-	Width: 630
-	Height: 200
+	Width: 500
+	Height: 160
 	Children:
 		Label@TITLE:
 			X: 0
 			Y: 20
 			Width: PARENT_RIGHT
 			Height: 25
-			Text: Content files missing
+			Text: Install Required
 			Align: Center
 			Font: Bold
-		Label@WELCOME:
+		Label@DESC1:
 			X: 0
 			Y: 50
 			Width: PARENT_RIGHT
 			Height: 25
-			Text: This is the work in progress Dune 2000 mod. It requires the original game files.
+			Text: OpenRA requires the original Dune 2000 game content.
 			Align: Center
-		Label@DOWNLOAD:
+		Label@DESC2:
 			X: 0
-			Y: 90
+			Y: 70
 			Width: PARENT_RIGHT
 			Height: 25
-			Text: The easiest way is to simply click "Download" to fetch a minimal subset to get started.
-			Align: Center
-		Label@VIA_CD:
-			X: 0
-			Y: 110
-			Width: PARENT_RIGHT
-			Height: 25
-			Text: Insert your Dune 2000 CD and click "From CD" to copy game assets including music and videos.
+			Text: Content can be downloaded, or copied from the install CD.
 			Align: Center
 		Button@DOWNLOAD_BUTTON:
 			X: 20
@@ -46,7 +39,7 @@ Background@INSTALL_PANEL:
 			Y: PARENT_BOTTOM - 45
 			Width: 110
 			Height: 25
-			Text: From CD
+			Text: Use CD
 			Font: Bold
 		Button@BACK_BUTTON:
 			X: PARENT_RIGHT - 130
@@ -112,7 +105,7 @@ Background@INSTALL_FROMCD_PANEL:
 			Y: 20
 			Width: PARENT_RIGHT
 			Height: 25
-			Text: Installing Game Assets from CD
+			Text: Installing from CD
 			Align: Center
 			Font: Bold
 		Container@INSTALLING:
@@ -146,7 +139,7 @@ Background@INSTALL_FROMCD_PANEL:
 					Y: 70
 					Width: PARENT_RIGHT
 					Height: 25
-					Text: Please insert the Dune 2000 install CDs then click Retry.
+					Text: Please insert the Dune 2000 install CD then click Retry.
 					Align: Center
 		Button@RETRY_BUTTON:
 			X: PARENT_RIGHT - 280