Update linum-relative.
Custom settings changed.

Something for linum-mode as well.
Add evil-leader.
Disable slime-trace-dialog for now, update slime.
Add linum-relative and adapt theme.
Add pangu-spacing.
Add plantuml for org-mode.
Add (g)forth.
Add evil-leader submodule.
Add org-mode submodule.
Add pangu-spacing submodule.