* adding vislib chart grid
* updating vislib to correctly render all new features
* adding new options to kibana visualizations
* update vis icon on save
* updating documentation
* fixing unit tests
* cleaning up
* updating based on UI review
* adding visualize editor unit tests
* selenium tests
* additional option tabs
* some more changes to the tabs/options [thanks CJ]
* going back from Category/Value axis to X/Y axis
* fixing unselected dropdown options
* updating based on last UI review
* updating based on last review
* updating based on last review
* fixing issue with axis titles
* allowing to specify only upper or only lower data bound
* updating based on brandons review
* fixing horizontal bar chart labels
* fixing test
* adding backward compatibility
* updating based on last review
* fixing selenium tests
