Make use of the current_assignemts field
Put duplicated code into a function
Merge pull request #165 from guidow/use_current_assignments

Make use of the current_assignemts field
Track the version number of each agent

This is another prerequisite for agent auto-updates.

The corresponding code on the agent side that would actually announce
the version number is not in place yet, but since this column is
nullable, this should not break anything.
Adopt tests to new column in agents table
Merge pull request #166 from guidow/track_agent_version

Track agent version
adding sphinxcontrib-httpdomain for RTD
initial docs
header fix
fixing intersphinx mapping
version bump
adding some missing intersphinx mappings
adding missing link
syntax fixes
syntax fix
description
adding longer linkcheck timeout
adding environment
updating index
adding commands