Import pruned areaDetector 1.9.1
Include aravis GigE 0.1.15.dls6
Merge branch 'upstream' (areaDetector 1.9.1 and aravisGigE 0.1.15dls6)
Rebase patches to new upstream versions
d/changelog: new release
Step up libareadetector name from 1.7 to 1.9
d/boy-areadetector.install: fix location of BOY panels
Add clean.diff for areadetector-1.9.1
Release 1.9.1+dfsg1-1