Merge branch 'hotfix/2.3.1'
Bump 2.3.2
Refactored LogMarker into two classes. LogMarker as generic on and SidescanLogMarker as Sidescan specific. Now SidescanPanel displays correctly the multi-range markers.
FtpDownloader now deletes empty log folders.
Adding missing mig layout jar for worldmap bundle (missing since 3441f20f5818e512e68bfbb6b42589b8732d7db9).
Merge branch 'hotfix/2.3.2' into develop

Conflicts:
	build.xml