Reformat manifest.
Add custom authenticator service.
Needs some more comments, and probably a better icon for the Accounts listings.
Removed previous username/password pref entries.
Added account/token saving via OAuth2.
Remove preferences from authenticator.
Moved callback into main strings, added raw oauth.dist file.
Added the validated preference setting back.
Set validated variable correectly.
Handle denied OAuth result.
Access token is the only thing that identifies a success.
Removed redundant strings.
Remove redundant variable.
Remove IDE automatic comments.
Added some docs about the OAuth2 configuration.
Don't remember passwords, remove redundant onPause.