FMSLogo Code

Fix a copy&pasted typo "la procedimiento" -> "el procedimiento"

Standardize on "asíncrono" for the translation of "asynchronous"
This seems to be what most computer-related texts use.

Translate the examples for recording and playing a WAVE file with the MCI into Spanish.
Also made some changes to the MCI sections for consistency.

Translate the example for playing a CD track with the MCI into Spanish.

Translate the introduction and overview sections of the MCI into Spanish.

Translate the documentation for the MCI command into Spanish.
This translation was based on Rosario Ruiz's translation of the MSWLogo manual.

Translate the documentation for the sound procedures into Spanish.
This translation is based on Rosario Ruiz's translation of the MSWLogo manual.

Translate the documentation for the PLAYWAVE to Spanish.
This translation was based on Rosario Ruiz's translation of the MSWLogo manual.

Translate the documentation for MIDI procedures into Spanish.
This translation was based on Rosario Ruiz's translation of the MSWLogo manual.

Fix typo: "se lo llama" -> "se llama"