some fixes [multithreading,..]

needed interface changes [new options]
logger for android
wifi-ap-optimization
new test-cases

misc/log/Logger.h

@@ -0,0 +1,17 @@
+#ifndef LOGGER_H
+#define LOGGER_H
+
+#include <string>
+
+/** base-class for all loggers */
+class Logger {
+
+public:
+
+	virtual ~Logger() {;}
+
+	virtual void add(const std::string& str, const bool nl) = 0;
+
+};
+
+#endif // LOGGER_H