Reformat. Delete one entry that has been taken care of.
Add one item.
Merge pull request #154 from bangerth/add-to-the-todo-list

Add to the todo list
Added entry to changelog.
Added tests for the maximum refinement function.
Added output from maximum refinement tests.
Merge branch 'maximum_refinement_function'
Merge remote-tracking branch 'geodynamics/master'