FMSLogo Code

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"

Translate the front-matter for the Multimedia Procedures section into Spanish.
The translations for the MIDI table was copied from Wikipedia.

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

Minor fixes:
* Remove an errant ")"
* Add a missing ","
* Move each sentence to a separate line

Add an argument to FORWARD in the example for REDEFP.
This makes it clearer that FORWARD is failing for the correct reason (that it was erased).

Add a missing comma

Clarify the instruction in the <replaceable> part of the example for SETACTIVEAREA.

Fix a few grammatical errors