Added Eclipse project files
Added software used as basis for this project

Includes Grimme's D3 correction, Rezac's H4 correction, and Snurr's
EQeq sources. The Python scripts are extensions based on their work.
Added .pyc files to .gitignore
Added ReferenceData package

This contains the experimental and ab initio reference data used by the
Python scripts.
Added package file
Added package scripts

chemistry.py includes definitions of universal objects used in the
program. e.g. Atom and Element objects.
Added standalone program to calculate fractional coordination number

According to Grimme's D3 correction
Added OO Python version of Grimme's D3 correction
Added Python version of Snurr's EQeq
Added partial implementation of Rezac's H4 correction
Added experimental implementation of Pauli repulsive factor