start of a pingpong app
add the observable trait
Merge branch 'wickman/observable' into wickman/ping_pong
commits
add the sampling test
Merge branch 'wickman/observable' into wickman/ping_pong
ws
Remove the pong target
Move files around to be conformant with the java example.
Merge pull request #142 from wickman/wickman/ping_pong

twitter-commons pingpong example server
Merge remote-tracking branch 'twitter/master'