'GET /api/version
Return a description of the version_major and version of Galaxy Tool Shed
(e.g. 15.07 and 15.07.dev).
:rtype:     dict
:returns:   dictionary with versions keyed as \'version_major\' and \'version\''

@expose_api_anonymous_and_sessionless
def version(self, trans, **kwds):

    return {'version_major': self.app.config.version_major, 'version': self.app.config.version}
