i modified the Biorhythm objects to use inheritance.
i added the Primary/Secondary/Extra/IChing BiorhythmsSet constructors that inherits BiorhythmSetSet.
i updated the presentation.
i added js examples for inheritance and Array. i updated the presentation document.
i added the pps for the presentation. i created part of it.
i updated the presentation.
i created the debug.js and css to be used in the jsfiddle examples.
i updated the presentation.
Merge branch 'inheritance' of https://github.com/lastunicorn/BioCalcJs into inheritance
i recompiled
Merge branch 'inheritance'

Conflicts:
	BioControls/compiled/BiorhythmControls.js
	BioControls/sources/biorhythms/SinusoidalBiorhythm.js
	doc/BioCalc Presentation.vsd