gui: Spot marker update
gui: marker position fix
gui: Spot marker update
gui: swap +- of A/B axes

so that the image follow the button shape. Seems the most intuitive in practice.
pigcs: increase Reboot time

it seems that trying to contact the controller too fast can leave it in a big messy state. Better give more time to be sure.
gui lens alignment: fix axes rotation to make the gui intuitive

as tested in reality
gui: Added approximate center label and button to lens alignment tab
gui: SpotMarker fix.
gui: Moved the SEM scale window to the toolbar in the lens alignment view
semcomedi: fix bug where garbage data is sent if osr = 1

copy of array was actually a override of a variable :-( => force real copy
semcomedi: comment for TODO
gui miccanvas: begginning of reorganization for overlays
gui: Added view menu to the GUI frame
gui dicho overlay: fix placement of rectangles

ensure the borders are really on top of each other. No need to do a int division.
Merge branch 'master' of vpn.delmic.com:odemis

Conflicts:
	src/odemis/gui/cont/tabs.py