Added signon dependency.
Added most of the code to use libsignon to get the twitter tokens.
Added most of the code to use libsignon to get the twitter tokens.
Ensure that we use the Qt5 version of accounts-qt and not the Qt4 one.
Wrote integration with libsignon.
Add a way to retrieve the token and token secrets.
Added support for the keyring. If the token and token secret have been already retrieved we will get them from thekeyring else ask for them to twitter.
Merged with the oauth branch.