tmux: default-terminal is rxvt; remove sessions.
Mail: consolidate password files, remove Krake.
offlineimap: Simpler nametrans for Gmail accounts; remove prefix and downcase.
mutt: remove Krake account.
Mail: Zalora; use vi@ alias in From:.
Mutt: update path reference given new nametrans.
Correct From: in .mutt/zalora.
XMonad: increase browser zoom size w. retina display