Fix distribution, add build readme, fix deploy verticle message from Starter

Signed-off-by: nscavell <nick.scavelli@gmail.com>
Merge pull request #846 from nscavell/dist-fix

Fix distribution & some other misc things
Make DatagramSocket reuseAddress default to false
Merge branch 'master' of github.com:eclipse/vert.x
some more tests and a few checks and tweaks
more tests
make writePos and readPos long in AsyncFileImpl
websocket TLS tests