Fixed PennSt

Penn State equation had errors not converting some values to decimal.
Changed return from two values to one.
PennSt Energy Needs, Welcome Page

Welcome page document removed, compatibility difficult with android, will investigate.
Added to PennSt class to allow computation based on this equation.
Sizing, PennState Fields

Added in fields for PennSt equation, removed RstDocument in favor a label.
Modified some sizing aspects for spacing, etc.