Change hardcoded home directory with $HOME.

Taken from Debian patch by John AC6SL <jnogatch@gmail.com>.
Drop -d /dev/dsp1 in favor of default.

Taken from Debian patch by John AC6SL <jnogatch@gmail.com>.
Remove bashisms in sh script.
Merge pull request #26 from reinerh/master

Cleanup scripts/soundlog

Merged.