Updates seohtracker submodule. Refs #56.
Removes submodule in favour of seohtracker logic. Refs #56.
Moves common nakefile code to supernake. Refs #56.
Moves to supernake common mac nakefile code. Refs #56.
Updates title underline for correct rst. Refs #56.
Merge branch 'feature/t56_factor_nakefiles'