Release v0.4.2

v0.4.2 (July 24, 2020)

• Remove config files for services we no longer use (#244)
• Create a better release message (#243)
• WIP: Fix zenodo metadata (#241)
• Use relative paths in docbuild.yml (#242)
• Allow user to refresh function for existing DockerImage (#240)
• Code style improvement suggestions from codacy (#237)
• Add publish_release script (#238)
• Add citation info to docs and update README badges (#236)
• Add back tags and use repo URI not image URI (#235)
• Adds some tools for maintenance. (#232)
• Update setup.py URL and bump version (#229)
• Fix volume_size and PARS policies issues (#233)