Coded requirements for HW3 Part 3: Write SSJS headless grader.

Headless grader

Added json to check the existance of tags on the deployed web page.  This markup file is used by the grader.js script to check for the existance of tags on tje deployed page.
Merge branch 'master' of https://github.com/buckyinsfo/bitstarter

Conflicts:
	checks.json