Fix crash in ship_view.py

due to multiline string in config.json.

config.json

@@ -51,15 +51,7 @@
 "game_start": {
     "default_mission": "main_menu.mission",
     "introduction": 
-        "Welcome to Vega Strike!\n
-        Use #8080FFTab#000000 to afterburn (#8080FF+,-#000000 cruise control),\n
-        #8080FFarrows#000000 to steer.\n
-        The #8080FFt#000000 key targets objects; #8080FFspace#000000 fires at them & #8080FFa#000000 activates the SPEC drive.\n
-        To go to another star system, buy a jump drive for about 10000 credits,\n
-        fly to a wireframe jump-point and press #8080FFj#000000 to warp to a near star.\n
-        Target a base or planet;\n
-        When you get close a green box will appear. Inside the box, #8080FFd#000000 will land."
-
+        "Welcome to Vega Strike!\nUse #8080FFTab#000000 to afterburn (#8080FF+,-#000000 cruise control),\n#8080FFarrows#000000 to steer.\nThe #8080FFt#000000 key targets objects; #8080FFspace#000000 fires at them & #8080FFa#000000 activates the SPEC drive.\nTo go to another star system, buy a jump drive for about 10000 credits,\nfly to a wireframe jump-point and press #8080FFj#000000 to warp to a near star.\nTarget a base or planet;\nWhen you get close a green box will appear. Inside the box, #8080FFd#000000 will land."    
 },
 
 "advanced": {}