removed a bunch of unused things (especially options) and updated the maxValue logic

Now, we can pass in a maxValue option to actually get the graph to go to at least 5, for example, even if none of our data goes that high.
Merge pull request #7 from tianon/patch-3

removed a bunch of unused things (especially options) and updated the maxValue logic
Merge pull request #8 from tianon/patch-4

localize the tooltip variable to keep the tooltips localized to the proper RadarChart when multiple are on the page
Merge pull request #9 from tianon/r2d3

fixed a few small inconsistencies/inefficiencies
more specific class to avoid potential name conflict