Travis integration

[longd3]

unfinished, don’t merge yet

[pims]

Can the keyfile be replaced by encrypted env variables?

[longd3]

Yes, it is possible

travis encrypt-file client-secret.json --add

Can you grab the json file ? only project owner can

Go to the Google Developers Console.
Select a project to which the service account will be associated.
In the left sidebar, select APIs & auth > Credentials.
Click Add credentials and select Service account.
In the Create service account window, select the Key type, either JSON or P12.
Click Create.
A New public/private key pair window is displayed and the private key for the Key type you selected is downloaded automatically. If you selected a P12 key, the private key's password ("notasecret") is displayed.
Click Close.