Shifted reference from starcon.key to keys.cfg.

In 0.3 starcon.key will be hiding in a zip file.


git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@1172 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/doc/users/manual.txt

@@ -540,6 +540,6 @@ This is usually in one of the following locations:
 On Unix systems this personal uqm data is stored in "~/.uqm".
 
 Later versions of The Ur-Quan Masters will include a key configuration
-tool.  In the meantime, the "starcon.key" file in the root of the
-content directory has information about how to add support for
-joysticks or remap keys.
+tool.  In the meantime, the keys.cfg has a bunch of comments in it
+that should help you set up your joystick and remap key controls to
+your satisfaction.