bash: rain: add ecap()
k5identity: nuke (unused so far)
irbrc, pythonrc: code style
hgrc: sort
bazaar.conf: sort
hostaliases: nuke (unused)
tmux: forget obsolete environment variable
environ: document $CABAL_CONFIG
environ: rain: clean up
environ: document and stop setting $MAILCAP
environ: GNUstep belongs to DATA_HOME
environ: use my main email address
bash/aliases: always use [[ for consistency
bash/aliases: borrow some stuff from my old cmd.exe aliases
bash/aliases: keep the regular [ … ] working
bash/aliases: remove some cruft
bash/aliases: disable dhcpcd resolv.conf hook
bash/aliases: minor updates
bash/aliases: add clip()