bots: Add missing images for branches
bots: Add missing images for branches

All the images are loaded from bots/images now. So it needs to
contain all of the images that the branches refer to, including
debian-8. This reflects what's in bots/tests-scan

Closes #6693
harishanand95/cockpit,dperpeet/cockpit,petervo/cockpit,andreasn/cockpit,larskarlitski/cockpit,SotolitoLabs/cockpit,michalskrivanek/cockpit,cockpituous/cockpit,larsu/cockpit,cockpit-project/cockpit,mvollmer/cockpit,SotolitoLabs/cockpit,harishanand95/cockpit,cockpit-project/cockpit,michalskrivanek/cockpit,garrett/cockpit,stefwalter/cockpit,xhad/cockpit,cockpit-project/cockpit,andreasn/cockpit,cockpit-project/cockpit,Scribery/cockpit,stefwalter/cockpit,xhad/cockpit,larskarlitski/cockpit,mareklibra/cockpit,dperpeet/cockpit,martinpitt/cockpit,moraleslazaro/cockpit,harishanand95/cockpit,deryni/cockpit,Scribery/cockpit,Scribery/cockpit,dperpeet/cockpit,mvollmer/cockpit,garrett/cockpit,mareklibra/cockpit,martinpitt/cockpit,SotolitoLabs/cockpit,martinpitt/cockpit,Scribery/cockpit,deryni/cockpit,xhad/cockpit,petervo/cockpit,stefwalter/cockpit,xhad/cockpit,petervo/cockpit,deryni/cockpit,larskarlitski/cockpit,larsu/cockpit,moraleslazaro/cockpit,andreasn/cockpit,mareklibra/cockpit,dperpeet/cockpit,andreasn/cockpit,petervo/cockpit,cockpituous/cockpit,larsu/cockpit,deryni/cockpit,larskarlitski/cockpit,SotolitoLabs/cockpit,petervo/cockpit,xhad/cockpit,cockpit-project/cockpit,Scribery/cockpit,Scribery/cockpit,garrett/cockpit,andreasn/cockpit,stefwalter/cockpit,dperpeet/cockpit,cockpituous/cockpit,larsu/cockpit,larskarlitski/cockpit,larskarlitski/cockpit,moraleslazaro/cockpit,mvollmer/cockpit,harishanand95/cockpit,harishanand95/cockpit,Scribery/cockpit,deryni/cockpit,michalskrivanek/cockpit,petervo/cockpit,martinpitt/cockpit,michalskrivanek/cockpit,stefwalter/cockpit,larsu/cockpit,cockpituous/cockpit,SotolitoLabs/cockpit,cockpituous/cockpit,mareklibra/cockpit,mareklibra/cockpit,moraleslazaro/cockpit,andreasn/cockpit,cockpituous/cockpit,michalskrivanek/cockpit,stefwalter/cockpit,garrett/cockpit,petervo/cockpit,mareklibra/cockpit,harishanand95/cockpit,xhad/cockpit,martinpitt/cockpit,harishanand95/cockpit,stefwalter/cockpit,xhad/cockpit,garrett/cockpit,deryni/cockpit,SotolitoLabs/cockpit,mvollmer/cockpit,mvollmer/cockpit,michalskrivanek/cockpit,larsu/cockpit,dperpeet/cockpit,moraleslazaro/cockpit,andreasn/cockpit,moraleslazaro/cockpit,mareklibra/cockpit,dperpeet/cockpit,michalskrivanek/cockpit,SotolitoLabs/cockpit,larskarlitski/cockpit,moraleslazaro/cockpit,deryni/cockpit