auto select should only apply to cases where select control doesn't have pre-selected value prop. If select control has pre-selected value (passed in from value prop), auto select first avaliable options should not apply.
* [sql lab] improvements to the left panel
* better error handling with error notifications
* table is added instantly with a loading image
* Fixing tests
* Fixed tests
* Fixing PropTypes warning message
React recently started warning on the upcoming deprecation of
React.PropTypes, the new approach is to use the `prop-types`
npm package instead.
* Fixing the tests
