common: Rewrite logging based on cut down citra logger (#86)

* common: Rewrite logging based on cut down Citra logger

* code: Misc fixes

* core: Bring back tls handler

* linker: Cleanup

* config: Remove log level

* logging: Enable console output by default

* core: Fix windows build

src/common/thread.h

@@ -0,0 +1,23 @@
+// SPDX-FileCopyrightText: 2013 Dolphin Emulator Project
+// SPDX-FileCopyrightText: 2014 Citra Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include "common/types.h"
+
+namespace Common {
+
+enum class ThreadPriority : u32 {
+    Low = 0,
+    Normal = 1,
+    High = 2,
+    VeryHigh = 3,
+    Critical = 4,
+};
+
+void SetCurrentThreadPriority(ThreadPriority new_priority);
+
+void SetCurrentThreadName(const char* name);
+
+} // namespace Common