Graph Module Scaffolding

Created the menu for graphing, and updated connections and nodes to
properly hide if graphing.
Implemented Graph Module

Implemented basic graphing logic for the graph module. Node movement is
overwritten and replaced by static positioning based on attribute
values.
Graph Module Axes

Added visible axes, tick marks, and grid lines to the graph module, and
labels to indicate value.
Graph Module Options

Implemented the options menu for the graph module, and added
functionality for choosing a forced node size.
Data Refactor 1

Added Data and Datum Files