[Blasq Spegnersi] Added FlickrService stub.
[Blasq Spegnersi] Be a proper second-level plugin.
[Blasq] Added NewAccountWizardFirstPage.
[Blasq] Set accounts custom widget.
[Blasq] Added AccountsManager.
[Blasq] ServicesManager with notifications.
[Blasq] Use the AccountsManager.
[Blasq] Save the added account obj.
[Blasq] Support accounts removal.