message: update Caret examples to use Caret.locations
diff: @@ -126,16 +126,10 @@ const Index = props => (
  </Example>
  <Example name='Caret'>
  <Block p={4}>
  - {['top', 'right', 'bottom', 'left'].map((edge, i) => (
  - <Box p={2} mb={4} position='relative' maxWidth={400} key={i}>
  - <Text mono>edge='{edge}'</Text>
  - <Caret edge={edge} />
  - </Box>
  - ))}
  - {['top', 'right', 'bottom', 'left'].map((edge, i) => (
  - <Box shadow='medium' p={2} mb={4} position='relative' maxWidth={400} key={i}>
  - <Text mono>edge='{edge}' in shadow='medium'</Text>
  - <Caret edge={edge} />
  + {Caret.locations.map((loc, i) => (
  + <Box p={2} mb={4} position='relative' maxWidth={300} minHeight={96} shadow key={i}>
  + <Text fontSize={1} mono>location='{loc}'</Text>
  + <Caret location={loc} />
  </Box>
  ))}
  </Block>
  