Renamed `toggle-window-split' to `toggle-frame-split' and replaced it with a simpler implementation.
Thanks to Winfried (http://www.emacswiki.org/cgi-bin/wiki/ToggleWindowSplit).
`ack' now uses the symbol at point as default expression to search for.
The redirection of stdin to /dev/null was moved to the beginning of
the command line, to make editing with `g' (`recompile') more comfortable.
Also bound `ack' to "<F8>", instead of `grep'.
Bound `K' and `F' to `keep-lines' and `flush-lines' in `grep-mode'.
Removed outdated "init-eshell", it's not used anymore.
Corrected small, consequence-less typo.
In "sorter": use `string-match-p' instead of `string-match'.