Closed #40
Fixed bug with some characters set
Fixed refreshing token
Changed API events according documentation
Added bunch of new options

* Added ability to change font size in the popup
* Added option "Reset counter when extension button clicked"
* Added option use secure connection (HTTPS)
Fixed rare bug when the last feed cannot be marked as read
Fixed markAsRead on news open
HTTPS is enabled by default and affect on authorization flow
Updated Italian translation
Version changed, changelog updated