Delete popup.html

Addressing issue #12.
Merge pull request #32 from Wiki-reliable/dev

Update Master to Dev on reaching Proof of Concept Milestone
Update README.md

Removed Things we've learned, which has been moved to lessons_learned.md
Merge pull request #33 from Wiki-reliable/dev

Added Diversity Statement and expanded lessons learned
Update background.js
slightly better documentation
Merge pull request #34 from Wiki-reliable/master

update to maste