fix orientation default

v0.2.10 fix multiple circles intersecting at the same point

v0.2.9

minor fixes

 * eslint config file, files in src/*.js should all pass
 * fix minor alignment issue with disjoint clusters
 * remove classicMDSLayout
 * add example showing a bounding box over the circles

fix issue with missing 'getCenter' function

v0.2.7

Add orientationOrder parameter

v0.2.6

Add ES6 import/export statements as detailed here: http://bost.ocks.org/mike/d3-plugin/