Added lines loading and saving test
Increased the accuracy of the hard sphere test to prevent errors with the diffusion estimation
Cleaning up the initialisation tracking for the simulation class
Added tests of loading/saving configs, also added a check for libbz2
Added a workaround for ubuntu 13.04
Added a binary hard sphere test
Cleaned up capture maps to allow writing out of the simulation before it has been initialised
Migrated the 2D stepped potential test
Ensured the 2d simulations start from the same point