Use dist and arch in deb-package version

Fixes issues with duplicate .*dsc names in aptirepo.

Example from aptirepo:
PoolError: 'puavo-devscripts_0.3.1-12~master.a2a3d6fabdc6c3a64b1a16e1bc59f5649684e466.dsc' already exists in the repository with different checksum
Use simple_job_name inside the container too