started on pull request notifier
don't drop into irb after closing
thread list button, and threadlist now refreshes every 2 seconds"
Merge branch 'master' of github.com:dpaola2/RubyTalk

* 'master' of github.com:dpaola2/RubyTalk:
  Update README.md
  Update README.md
  Update README.md
  Update README.md
  Update README.md