Vim: no need in filetype off with new pathogen
Vim: gdefault is evil
Vim: redundant repetitive filetype plugin indent on
Vim: remap unite
Vim: avoid linear buffer switching
Vim: use global uppercase mark ('V) instead of map
Vim: remove unused stuff
Vim: disable arrows in insert mode too
Vim: tabs → spaces could be done with :retab
Vim: insertlessly
Vim: dwm plugin
Vim: remove nerdtree
Vim: finally setup ghcmod