Switched up the way time stamp formatting is done. Now tracked by an

enum for easier determination. Also changed graphing window to respect
"system clock" style timestamps and display them properly.

utility.cpp

@@ -1,7 +1,5 @@
 #include "utility.h"
 
 bool Utility::decimalMode = false;
-bool Utility::secondsMode = true;
-bool Utility::sysTimeMode = false;
-bool Utility::millisMode = false;
 QString Utility::timeFormat = "MMM-dd HH:mm:ss.zzz";
+TimeStyle Utility::timeStyle = TS_MICROS;