start phasing out BASE_PATH and SLASH

stepmania/src/BannerCache.cpp

@@ -23,7 +23,7 @@
 
 #include "Banner.h"
 
-#define CACHE_DIR BASE_PATH "Cache" SLASH
+#define CACHE_DIR "Cache/"
 
 /* Call CacheBanner to cache a banner by path.  If the banner is already
  * cached, it'll be recreated.  This is efficient if the banner hasn't changed,

stepmania/src/PlayerAI.cpp

@@ -18,7 +18,7 @@
 #include <math.h>
 #include "arch/arch.h"
 
-#define AI_PATH BASE_PATH "Data" SLASH "AI.ini"
+#define AI_PATH "Data/AI.ini"
 
 struct TapScoreDistribution
 {

stepmania/src/Song.cpp

@@ -47,7 +47,7 @@
 
 #include <set>
 
-#define CACHE_DIR BASE_PATH "Cache" SLASH
+#define CACHE_DIR "Cache/"
 
 const int FILE_CACHE_VERSION = 131;	// increment this when Song or Steps changes to invalidate cache
 

stepmania/src/SongCacheIndex.cpp

@@ -9,7 +9,7 @@
 #include "song.h"
 #include "arch/arch.h"
 
-#define CACHE_DIR BASE_PATH "Cache" SLASH
+#define CACHE_DIR "Cache/"
 
 SongCacheIndex *SONGINDEX;
 

stepmania/src/StepMania.cpp

@@ -672,8 +672,8 @@ static void RestoreAppPri()
 }
 
 
-#define GAMEPREFS_INI_PATH BASE_PATH "Data" SLASH "GamePrefs.ini"
-#define STATIC_INI_PATH BASE_PATH "Data" SLASH "Static.ini"
+#define GAMEPREFS_INI_PATH "Data/GamePrefs.ini"
+#define STATIC_INI_PATH "Data/Static.ini"
 
 void ChangeCurrentGame( Game g )
 {
@@ -773,7 +773,7 @@ static void MountTreeOfZips( const CString &dir )
 	}
 }
 
-#define UNLOCKS_PATH BASE_PATH "Data" SLASH "Unlocks.dat"
+#define UNLOCKS_PATH BASE_PATH "Data/Unlocks.dat"
 
 #ifdef _XBOX
 char *xboxargv[] = { "d:\\default.xbe" };

stepmania/src/TitleSubstitution.cpp

@@ -8,7 +8,7 @@
 
 #include "RageFile.h"
 
-#define TRANSLATION_PATH BASE_PATH "Data" SLASH "Translation.dat"
+#define TRANSLATION_PATH "Data/Translation.dat"
 
 struct TitleTrans
 {