added MapRecord
tested
Merge branch 'silvio'
merging latest code from silvio
changes picture of calculated point
changed default values for kalman filter
Added 'AddMapDialogMode' class.
* bug fixing: x and y coordinates had NaN sometimes => fixed it
Added 'PositionLocalizationAlgorithmType' enum.
Added 'StartStopButtonState' enum.
Bug fixing: the algorithm returned the same value each time, because the
strongestSignalValue was 0, but the rssi values are below 0
Deleted images from package main.gui.images
Modified 'HardcodedMapDAO' class.
Changed the way setting the angle works in 'Receiver' class.
Added constructor to 'RoomMap' class.
Added logger to 'DatabaseDataWriterRunnable' class.
Added logger to 'FileDataReader' class.
Changed the constructors in 'AddMapDialog' class.
Changed drawing of coordinate zero view.
Enabled removing of map items in the main frame.
Added zero coordinate point to the 'MapPreviewPanel' class.