logic: Enable/Disable Logging in Preferences

* disabled by default

src/lib/utility/logging/LogManager.cpp

@@ -39,6 +39,11 @@ void LogManager::removeLoggersByType(const std::string& type)
 	m_logManagerImplementation.removeLoggersByType(type);
 }
 
+void LogManager::clearLoggers()
+{
+	m_logManagerImplementation.clearLoggers();
+}
+
 int LogManager::getLoggerCount() const
 {
 	return m_logManagerImplementation.getLoggerCount();

src/lib/utility/logging/LogManager.h

@@ -18,6 +18,7 @@ public:
 	void addLogger(std::shared_ptr<Logger> logger);
 	void removeLogger(std::shared_ptr<Logger> logger);
 	void removeLoggersByType(const std::string& type);
+	void clearLoggers();
 	int getLoggerCount() const;
 
 	void logInfo(

src/lib/utility/logging/LogManagerImplementation.cpp

@@ -49,6 +49,11 @@ void LogManagerImplementation::removeLoggersByType(const std::string& type)
 	}
 }
 
+void LogManagerImplementation::clearLoggers()
+{
+	m_loggers.clear();
+}
+
 int LogManagerImplementation::getLoggerCount() const
 {
 	std::lock_guard<std::mutex> lockGuard(m_loggerMutex);

src/lib/utility/logging/LogManagerImplementation.h

@@ -24,6 +24,7 @@ public:
 	void addLogger(std::shared_ptr<Logger> logger);
 	void removeLogger(std::shared_ptr<Logger> logger);
 	void removeLoggersByType(const std::string& type);
+	void clearLoggers();
 	int getLoggerCount() const;
 
 	void logInfo(