Improvements

• Add author to commit view along with an option to display or not display commit author (via #86 by @ben-m-lucas )

Other Contributions

• Update QuikGraph and GraphShape latest versions (via #91 by @KeRNeLith)
• Fix broken link in CONTRIBUTING.md (via #87 by @Jdpurohit)
• Whitespace fix (via #89 by @adamralph). Umm... thanks? 😛

Thank you to all the contributors!