implement initial flowdock notification
attach methods to Flowdock struct
invoke Inbox method in a goroutine
add github.com/stvp/flowdock to Godeps
Merge pull request #433 from nevalla/master

Flowdock notifications
remove update flag
add bootstrap step
Dockerfile use new bootstrap step
Merge remote-tracking branch 'origin'

* origin:
  Dockerfile use new bootstrap step
  add bootstrap step
  remove update flag