personal.el: added nix-mode
moved many config files to lib/ to prevent autoloading
personal.el: load all features from lib/
custom.el: changed formatting
custom.el: updated color themes
rfnash-erc: TEMP don't require erc-nicklist on nixos
rfnash-gnus: TEMP don't run mu4e when fetching new news
rfnash-newsticker: don't start
rfnash-org-mode: don't file tasks to Toodledo.org
rfnash-org-mode: added capture template for articles
rfnash-org-mode: added timegrid line to agenda
rfnash-org-mode: reenabled org-velocity
rfnash-org-mode: added (disabled) org-mode-to-appt
rfnash-org-mode: moved org-modules to a separate file