Changelog for force-layout-0.3.0.6

* 0.3.0.6 (20 August 2014) - Allow lens-4.3 * 0.3.0.5 (12 June 2014) - Add extension to allow building with GHC HEAD (7.9) (thanks to Gabor Greif) * 0.3.0.4: 2 June 2014 - Allow lens-4.2 * 0.3.0.3: 19 March 2014 - Allow lens-4.1 * 0.3.0.2: 9 March 2014 - Allow vector-space-points-0.2 * 0.3.0.1: 12 February 2014 - Allow lens-4.0 * 0.3: 1 January 2014 - Use lenses for ForceLayoutOpts * 0.2.0.1: 22 Dec 2013 - Allow base-4.7 * 0.2: 5 December 2012 - Switch from fclabels to lens. Note this requires a major version bump because the accessors for Particle and Ensemble are exported, and they have completely different types. But the API has not otherwise changed. * 0.1.0.2: 23 August 2012 - Bump upper bounds to allow base-4.6 and containers-0.5 * 0.1.0.1: 21 December 2011 - Bump fclabels upper bound to allow 1.1.0 * 0.1.0.0: 20 December 2011 - Initial release