Remove global "using namespace std;" declarations, use "std::" prefixes on all std elements

Fix whitespace changes

src/ScreenGameplaySyncMachine.cpp

@@ -33,7 +33,7 @@ void ScreenGameplaySyncMachine::Init()
 
 	GAMESTATE->m_pCurSong.Set( &m_Song );
 	// Needs proper StepsType -freem
-	vector<Steps*> vpSteps;
+	std::vector<Steps*> vpSteps;
 	SongUtil::GetPlayableSteps( &m_Song, vpSteps );
 	ASSERT_M(vpSteps.size() > 0, "No playable steps for ScreenGameplaySyncMachine");
 	Steps *pSteps = vpSteps[0];