Merge branch 'unet-demo' into 'dev'

Unet demo

See merge request CMIC/NiftyNet!272
5 jobs from dev in 84 minutes and 12 seconds (queued for 1 second)
Status Job ID Name Coverage
  Pylint Test
passed #44236
pylintjob

00:19

 
  Dev Test
passed #44266
gift-linux
testjob

57:33

83.0%
canceled #44237
gift-linux
testjob

08:01

 
  Pip Test
passed #44267
gift-adelie
pip-installer

26:18

canceled #44238
gift-adelie
pip-installer