F/added subtext status informations

[agmes4]

You're opening a pull request? Awesome!

Please make sure though you did the following (tick off everything you already did):

• [x] Run the tests and see them pass
• [x] Rebase your branch on top of develop
• [x] Include tests for features you introduced / bugs you fixed

This issue fixes #480, #468

[agmes4]

some body should definitively look into the translation files for spelling and stuff

[agmes4]

I have now added a test for the last_received_update property for more I would need a lib for freezing the time like freezegun or so

[lukasjuhrich]

So sorry for the long delay! Would you care to rebase --interactive --autosquash your branch, or should I?

[agmes4]

I will rebase tomorrow cause I am getting tired. But thanks for your review ;)

[agmes4]

branch was rebased

[lukasjuhrich]

Currently it looks like this:

Content-wise I think this is a good improvement, I'll just check why the translation does not work, then merge.