Program invokes external commands

[jpcima]

• ALSA MIDI

The programs mixes use of libasound API, and of external commands and /proc interface.
To clean up things, all should be converted to ALSA API.
It shouldn't require to have the command aconnect.

See src/organMIDIIn.C.

• File copy

Don't call external cp, particularly with unquoted shell arguments.
If the home directory has special shell characters or spaces, it fails.

horgand/src/organ.C

Lines 953 to 954 in e790c4f

	sprintf(orden, "cp %s/* %s", DATADIR, userdatadir);
	system(orden);