'Path to workflow\'s data directory.
The data directory is a subdirectory of Alfred\'s own data directory in
``~/Library/Application Support``. The full path is:
``~/Library/Application Support/Alfred 2/Workflow Data/<bundle id>``
:returns: full path to workflow data directory
:rtype: ``unicode``'

@property
def datadir(self):

    if self.alfred_env.get(u'workflow_data'):
        dirpath = self.alfred_env.get(u'workflow_data')
    else:
        dirpath = os.path.join(os.path.expanduser(u'~/Library/Application    Support/Alfred    2/Workflow    Data/'), self.bundleid)
    return self._create(dirpath)
