[SongManager] Added GetCourseGroupNames Lua binding.

Docs/Changelog_sm-ssc.txt

@@ -19,7 +19,9 @@ sm-ssc v1.2.5 | 201104??
   probably others too. [AJ]
 * [ScreenGameplaySyncMachine] Fixed a crash when entering
   ScreenGameplaySyncMachine as Player 2. (Fixes issue 127) [AJ]
-* [ScreenOptionsEditCourse] Fixed a crash when going to the first row. (Fixes issue 235) [AJ]
+* [ScreenOptionsEditCourse] Fixed a crash when going to the first row.
+  (Fixes issue 235) [AJ]
+* [SongManager] Added GetCourseGroupNames Lua binding. [AJ]
 
 20110422
 --------

src/SongManager.cpp

@@ -1890,6 +1890,14 @@ public:
 
 	DEFINE_METHOD( ShortenGroupName, ShortenGroupName( SArg(1) ) )
 
+	static int GetCourseGroupNames( T* p, lua_State *L )
+	{
+		vector<RString> v;
+		p->GetCourseGroupNames( v );
+		LuaHelpers::CreateTableFromArray<RString>( v, L );
+		return 1;
+	}
+
 	LunaSongManager()
 	{
 		ADD_METHOD( GetAllSongs );
@@ -1898,6 +1906,7 @@ public:
 		ADD_METHOD( FindCourse );
 		ADD_METHOD( GetRandomSong );
 		ADD_METHOD( GetRandomCourse );
+		ADD_METHOD( GetCourseGroupNames );
 		ADD_METHOD( GetNumSongs );
 		ADD_METHOD( GetNumUnlockedSongs );
 		ADD_METHOD( GetNumSelectableAndUnlockedSongs );