Move interfaces to subdir

include/sta/mutex.hpp

@@ -1,30 +0,0 @@
-/**
- * @brief Mutex interface definition.
- */
-#ifndef STA_MUTEX_HPP
-#define STA_MUTEX_HPP
-
-
-namespace sta
-{
-	/**
-	 * @brief Interface for mutex objects.
-	 */
-	class Mutex
-	{
-	public:
-		/**
-		 * @brief Block until mutex has been acquired
-		 */
-		virtual void acquire() = 0;
-		/**
-		 * @brief Release mutex
-		 */
-		virtual void release() = 0;
-
-		static Mutex * ALWAYS_FREE; /**< Fake mutex that can always be acquired */
-	};
-} // namespace sta
-
-
-#endif // STA_MUTEX_HPP