cfg: reworked map-specific configs, so they are now located in yapb/conf/maps/*map*.cfg

cmd: fixed handling "yb" & "yapb" command prefixes.

inc/config.h

@@ -119,6 +119,9 @@ public:
    // load bots difficulty config
    void loadDifficultyConfig ();
 
+   // loads bots map-specific config
+   void loadMapSpecificConfig ();
+
    // sets memfile to use engine functions
    void setupMemoryFiles ();