Modified the material model...  Replace material.size with diameter.  Removed material cost information.  Modified transaction recording methods to work with new material fields.  Modified the create material functionality to use the modified material model.
modified tranaction listing to show fields in newly modified material transaction model
modified add material functionality to use modified material model
updated use material functionality to use modified material model
modified templates for material delete, use, and add so they show material diameter and specific instead of size.
finalized modifications required for modifications to the Material model