Remove Timer.cpp/h. Move various collections into Common/Data/Collections.

Core/ThreadPools.cpp

@@ -0,0 +1,16 @@
+#include "ThreadPools.h"
+
+#include "../Core/Config.h"
+#include "Common/MakeUnique.h"
+
+std::unique_ptr<ThreadPool> GlobalThreadPool::pool;
+std::once_flag GlobalThreadPool::init_flag;
+
+void GlobalThreadPool::Loop(const std::function<void(int,int)>& loop, int lower, int upper) {
+	std::call_once(init_flag, Inititialize);
+	pool->ParallelLoop(loop, lower, upper);
+}
+
+void GlobalThreadPool::Inititialize() {
+	pool = make_unique<ThreadPool>(g_Config.iNumWorkerThreads);
+}