Added contributors, moved all people names to footer since we have a growing number of them.
Merge branch 'master' of https://github.com/dvito/govuptime

# By justraines@gmail.com
# Via justraines@gmail.com
* 'master' of https://github.com/dvito/govuptime:
  move hours.js into main.js and compress, also added number formatting to tooltips