Editorial work to the Introduction
Merge pull request #37 from ethanwhite/intro-edits

Editorial work to the Introduction
Getting rid of link from reference list in Section 1.
Merge pull request #38 from ethanwhite/fix-section-1-refs

Getting rid of link from reference list in Section 1.
Adding author line and addresses
Merge pull request #39 from ethanwhite/author-line

Adding author line and addresses