store and set the color after we find a pattern
return nil if the svg element has no body
don't need these returns
revert back to old way
doing diamonds for all the rest of the cases
Merge pull request #8 from jonrohan/nil-for-no-background

return nil for no background
Merge branch 'master' into triangles-rotated

* master:
  doing diamonds for all the rest of the cases
  revert back to old way
  don't need these returns
  return nil if the svg element has no body
  store and set the color after we find a pattern

Conflicts:
	lib/geo_pattern/pattern.rb