Bug fix in dc matrix generation
Bug fix in output label
Failures in tests resolved
Update to high accuracy and in prev. commit changes to site options
Fix Dos plotter for range of colors for brewer set.
Merge branch 'master' of github.com:materialsproject/pymatgen
Merge pull request #163 from gmatteo/master

Scipy is an extra requirement --> ignore ImportError
Mkae scipy a requirement. Too many things require it.
More scipy changes.
Verbose nosetests.
Modified the pmg convert choice list
Merge pull request #164 from mbkumar/master

Updates to defects module
Merge branch 'master' of github.com:materialsproject/pymatgen
Bug fix in vacancy calculation
Print statements removed in dilute_solution_model
Merge pull request #165 from mbkumar/master

Bug fix in vacancy concentration calculation in dilute_solution_model
Try to minimize scipy dependency issues.
Merge branch 'master' of github.com:materialsproject/pymatgen
More minor scipy fixes.
Bug fix in output label for antisite concentrations