Removed homepage code from DOS port. Removed needless routes for browser opening through assembly. Cleaned up Linux code for browser opening. Linux browser opening can now launch FireFox if called 'firefox' and opera. Documentation button functional.

zsnes/src/win/winlink.cpp

@@ -3090,6 +3090,12 @@ void ZsnesPage()
    MouseY = 0;
 }
 
+void DocsPage()
+{
+   ShellExecute(NULL, NULL, "http://zsnes-docs.sourceforge.net/", NULL, NULL, 0);
+   MouseX = 0;
+   MouseY = 0;
+}
 
 extern "C" signed int NumberOfOpcodes;