[WIP] #129. Implement the "source" model in manifest parsing. "days_in" function is still missing.
Adding cdx-sync
Adding task draft
Adding ssh keys to device
Device ssh keys CRUD draft
Rename DeviceSshKey to just SshKey
Clenaup
Fixing Gemfile
Adding integration test
Nesting keys form into device form
Renaming cdx_sync dependency
Wiring cdx and csv import