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

Fix whitespace changes

src/archutils/Unix/AssertionHandler.cpp

@@ -72,7 +72,7 @@ void UnexpectedExceptionHandler()
 
 void InstallExceptionHandler()
 {
-	set_terminate( UnexpectedExceptionHandler );
+	std::set_terminate( UnexpectedExceptionHandler );
 }
 
 /*

src/archutils/Unix/Backtrace.cpp

@@ -500,7 +500,7 @@ static bool PointsToValidCall( vm_address_t start, const void *ptr )
 	
 	/* We're reading buf backwards, between buf[-7] and buf[-1].  Find out how
 	* far we can read. */
-	const int len = min( intptr_t(ptr)-start, 7U );
+	const int len = std::min<int>(intptr_t(ptr) - start, 7);
 	
 	// Permissible CALL sequences that we care about:
 	//

src/archutils/Unix/CrashHandler.cpp

@@ -371,7 +371,7 @@ void CrashHandler::ForceDeadlock( RString reason, uint64_t iID )
 
 	strncpy( crash.m_ThreadName[0], RageThread::GetCurrentThreadName(), sizeof(crash.m_ThreadName[0])-1 );
 
-	strncpy( crash.reason, reason, min(sizeof(crash.reason) - 1, reason.length()) );
+	strncpy( crash.reason, reason, std::min(sizeof(crash.reason) - 1, reason.length()) );
 	crash.reason[ sizeof(crash.reason)-1 ] = 0;
 
 	RunCrashHandler( &crash );

src/archutils/Unix/CrashHandlerChild.cpp

@@ -134,7 +134,7 @@ static void child_process()
 	if( !child_read(3, temp, size) )
 		return;
 
-	vector<RString> Checkpoints;
+	std::vector<RString> Checkpoints;
 	split(temp, "$$", Checkpoints);
 	delete [] temp;
 

src/archutils/Unix/SignalHandler.cpp

@@ -31,8 +31,8 @@ extern "C" int sigaltstack(const stack_t * __restrict, stack_t * __restrict);
 static int find_stack_direction2( char *p ) NOINLINE;
 static int find_stack_direction() NOINLINE;
 
-static vector<SignalHandler::handler> handlers;
-unique_ptr<SaveSignals> saved_sigs;
+static std::vector<SignalHandler::handler> handlers;
+std::unique_ptr<SaveSignals> saved_sigs;
 
 static int signals[] =
 {

src/archutils/Unix/SignalHandler.h

@@ -6,7 +6,7 @@
        
 class SaveSignals
 {
-	vector<struct sigaction> old_handlers;
+	std::vector<struct sigaction> old_handlers;
 
 public:
 	SaveSignals(); /* save signals */