DEN-1396 : UI Log Handler
MISC :
- Updated the Singleton defines to delete the instance.
- Added/moved the floatCompare in the types.cpp and created the file to do so.
LOGGING :
- Implemented logging
- Added LOG_EVENT / LOG_DATUM / LOG_ERROR in code instead of qDebug() as sample of the log event .
- Added export to USB feature.
- Added "Export Button"