changed the first sentence to use "program" instead of "filter."
	fixed some capitalization in the last sentence.

preset-help.pd
	Updated to note that using the inlets and outlets does the exact
	same thing as clicking on the boxes in the object.

math_scale-help.pd
	Changed the example to something more practical and added a
	description of the example.

signal_sine-help.pd
	Removed right inlet from description.
	Added instructions to recall preset.

signal_saw-help.pd
	Removed right inlet from description
	Added instructions to recall preset.

signal_square-help.pd
        Removed right inlet from description
        Added instructions to recall preset.

signal_triangle-help.pd
        Removed right inlet from description
        Added instructions to recall preset.

output-help.pd
	Changed the wording of "must be in the patch to get the
	audio to the speakers" to "this is the object that sends
 	the audio from the program to the speakers."