(svn r5136) Fix various style bugs:

- Trailing whitespace
- Trailing empty lines
- Missing newline at EOF
- Missing svn:eol-style native

docs/OSX_install_instructions.txt

@@ -20,4 +20,4 @@ data (containing the grf files)
 GM   (optional for music)
 scenario (optional pregenerated maps)
 
-The game adds some items by itself when it runs, like a save folder and a setting file
+The game adds some items by itself when it runs, like a save folder and a setting file