[Course] Bumped up max edit course title length to 16 (still feels too short). Also added #DESCRIPTION tag and Course:GetDescription() Lua binding.

src/Course.h

@@ -16,12 +16,11 @@ struct lua_State;
 class Style;
 class Game;
 
-const int MAX_EDIT_COURSE_TITLE_LENGTH = 12;
+const int MAX_EDIT_COURSE_TITLE_LENGTH = 16;
 
 inline PlayMode CourseTypeToPlayMode( CourseType ct ) { return (PlayMode)(PLAY_MODE_NONSTOP+ct); }
 inline CourseType PlayModeToCourseType( PlayMode pm ) { return (CourseType)(pm-PLAY_MODE_NONSTOP); }
 
-
 enum SongSort
 {
 	SongSort_Randomize,
@@ -162,6 +161,7 @@ public:
 	RString	m_sMainTitle, m_sMainTitleTranslit;
 	RString	m_sSubTitle, m_sSubTitleTranslit;
 	RString m_sScripter;
+	RString m_sDescription;
 
 	RString	m_sBannerPath;
 	RString	m_sBackgroundPath;