Logging improvements & other cleanup (#227)

TactilityCore/Include/Tactility/Log.h

@@ -23,7 +23,7 @@
 namespace tt {
 
 struct LogEntry {
-    LogLevel level = LogLevel::None;
+    LogLevel level = LogLevel::Verbose;
     char message[TT_LOG_MESSAGE_SIZE] = { 0 };
 };
 

TactilityCore/Include/Tactility/LogCommon.h

@@ -4,7 +4,6 @@ namespace tt {
 
 /** Used for log output filtering */
 enum class LogLevel : int {
-    None = 0, /*!< No log output */
     Error, /*!< Critical errors, software module can not recover on its own */
     Warning, /*!< Error conditions from which recovery measures have been taken */
     Info, /*!< Information messages which describe normal flow of events */