Merge branch 'develop' into release/5.6
dontFilterQueryStudiesForUniqueInstanceUID: keep the study with the highest number of images.
Faster study/series/delete function: only ONE save
MD-147
added union to OSIROIMask
DCMView: out of bounds memory error
MD-148

ScreenCapture with retain screens bug
MD-150
send roi add notification when adding an roi in region growing
MD-154
dontFilterQueryStudiesForUniqueInstanceUID: keep the study with the highest number of images.
Faster study/series/delete function: only ONE save
MD-147
DCMView: out of bounds memory error
MD-148

ScreenCapture with retain screens bug
MD-150
MD-154
KBDelayedPopUpButtonCell
no alternating rows in comparatives table
MD-155