Fixed overlay issue

Fixed overlay issue
Added flag to show or hide the countdown timer
Merge pull request #40 from shawnbuso/overlay_fix

Fixed overlay issue
Merge pull request #41 from shawnbuso/countdown_hide

Added flag to show or hide the countdown timer
ToS update.
Merge pull request #42 from shawnbuso/ToS

ToS update.
Merge branch 'master' into gh-pages