remove traces of alsaequal
default control-filename is now <name>.bin

with <name> being the configuration name
controlfiles live in $HOME/.config/alsa.iem.at/

which we probably have to create...
note on the new config-file location
recursive path-creation

http://stackoverflow.com/questions/675039/how-can-i-create-directory-tree-in-c-linux
(c) 2009 Jonathan Leffler

"You are hereby given permission to use this code for any purpose with attribution."
re-indentation
added myself as copyright holder
ignore object-files