Main window additions:
  - The "Reload artoa.ini" button has been introduced.

TOA window modifications:
  - The colormap of TOA now matches the nemo2profile colormap.
  - The colors of the sound sources can now be configured in artoa.ini.
  - The soundsources now are displayed as ring and in the configured color.
  - The TOA descriptions are now displayed in every third occurrence.
  - A legend with colors for the soundsources has been added to the window.

It is now possible to enable "Hide deleted data points" on startup by
setting the parameter hidedeleteddatapoints to 1 in the ini file.

It is now possible to select TOAs and shift them by a given value.

New features:
  + If one plot changes, all other opened plots will be redrawn to
    instantly see the changes that have been made.
  + Added first version of the TOA window.
  + Added menu entry for Time of arrival editing window in the main window.