Rename SSJ object to SSj in API reference

Oops, forgot to do this the second time I renamed SSJ.  I did remember
to do it the first time, but...

.gitignore

@@ -8,6 +8,8 @@ msvs/debug64/
 msvs/obj/
 msvs/obj64/
 msvs/packages/
+msvs/profile/
+msvs/profile64/
 obj/
 setup/*.exe
 

docs/sphere2-core-api.txt

@@ -1042,18 +1042,18 @@ RNG#next();
     range [0-1).
 
 
-`SSJ` Namespace
+`SSj` Namespace
 ---------------
 
-The `SSJ` namespace allows your game to communicate with an attached debugger
-such as SSJ or SSJ Blue.
+The `SSj` namespace allows your game to communicate with an attached debugger
+such as SSj or SSj Blue.
 
-SSJ.log(text);
+SSj.log(text);
 
     Logs `text` to the debugger.  If the game is started using `spherun`, the
     text is also logged to the terminal.
 
-SSJ.trace(text);
+SSj.trace(text);
 
     Logs `text` to the debugger.  This is intended for low-level, detailed
     logging; trace output will not be displayed, even in the debugger, unless