Image folder structure reorganisation
New image packaging script
Image folder restructuring complete
Added line button to analysis menu
First version of line select overlay
Added beginning and end markers to LineSelectionOverlay line
Added LineSelectionOverlay line edit capability
LineSelectionOverlay edit bug fix
Merge branch 'rinze_d1_selection'

Conflicts:
	src/odemis/gui/comp/overlay/base.py
	src/odemis/gui/comp/overlay/world.py
gui settings: quick fix for corner case where choise_fmt was not computed

was introduced by end of refactoring from Rinze.
gui microscope: reorganise sample loading on Delphi

The main problem with the previous organisation was that actually the Phenom would never load a
non-registered sample holder. The whole procedure would flat-out stop there.

Now initiate the registration procedure much earlier so that might work.

Also rearrange some methods to be able to share code with the parent function.