* Filters unread feed to not include
folders (categories) in which the
feed is present. To avoid get double
notification
* Refactores oauth process with functions
to run the process according to
development or production mode
Refactores thread function to ensure
flask server has started before opening
the browser
* Replaces config.ini with config.json
and initiates a workflow to check for
presence of config file. If not ask
user to create it and stores it in
HOME/USER/.config/inopy directory
* Improves oauth access token obtention
with Flask framework depending on
production or development status
* Improves also oauth refresh workflow
when access token has expired