* Update defaults on Broker for when to trigger CQ runs
* Add config settings for how often to calculate and recalculate CQ results
* Update Server to have CQ settings
* Update AST to fold removed time literals when setting time range
* Add periodic CQ running functionality to server
* Create influxdb specific broker that will periodically start continuous query calculation. Will send to the same data node as long as it's up and responding
* Add endpoint in handler to start processing of continuous queries on a data node
* Update SelectStatement to have GroupByInterval
* Update parser to verify that CQs have GroupByInterval if Aggregated
* Implement CreateContinousQuery on Server
* Add ContinuousQueries to database