* Introduced Abstract list, List and InlineList components for easier lists generation
* Enable custom item key on abstract list items
* Enable $.flot in storybook
* Expose onOptionsChange to react panel. Allow React panels to be function components
* Update type on graph panel options to group graph draw options
* Introduce GraphPanelController for state and effects handling of new graph panel
* Group visualisation related stories under Visualisations
Changed how react panels store their options
* Added a ReactPanelPlugin as the interface that react panels export, this way react panels have clearer api, and gives us hooks to handle migrations and a way for panel to handle panel changes in the future
* Moved gauge value options into a sub oject and made editor more generic, will be moved out of gauge pane later and shared between singlestat, gauge, bargauge, honecomb
* Also remove nested options prop that was there due to bug
* Added missing Gauge props
* Fixed gauge issue that will require migration later and also value options editor did not handle null decimals or 0 decimals
* Fixed unit tests
* More fixes for react panels