CheckBasicStyle: Check number of empty lines between functions (#4267)

Add check for number of empty lines between functions and fix the corresponding failures

src/Scoreboard.cpp

@@ -249,6 +249,7 @@ void cTeam::Reset(void)
 
 
 
+
 void cTeam::SetDisplayName(const AString & a_Name)
 {
 	m_DisplayName = a_Name;