Read previously saved input-ring on shell start.
Bash specific setup moved to the new function `shell-bash-setup', which is called from `shell-mode-hook'.
Added pcomplete library `pcmpl-ack'.
Removed references to retired server "easerv.muc".
Made `fix-broken-outlook-replies' interactive and runnable from any buffer.
Moved reading of saved input-ring to (Bash-specific) `shell-bash-setup'.
Let `pcomplete/svn' complete filenames when everything else fails.
Improved `change-window' to provide the desired functionality from "win-switch", which was removed.