fmcooper/stable-SM: Graph creation functionality added

This software corresponds to the data and experiments described in the following paper:

Two-sided profile-based optimality in the stable marriage problem. Authors: Frances Cooper and David Manlove

• The paper is located at: https://arxiv.org/abs/1905.06626
• The data is located at: https://doi.org/10.5281/zenodo.2542703 
• The software is located at: https://doi.org/10.5281/zenodo.2545798

See the README for more information.

Version 1.0.3 updates:

• added functionality to create graphs found in associated paper
• stats/tempStatsResults/avstats.txt file now contains stats for all data up to n = 1000
• README updated