myjenkins: Update plugins as of 2017-03-28
myjenkins: Update plugins as of 2017-03-28

* blueocean:1.0.0-rc3
* ssh-slaves:1.16

Signed-off-by: Gianpaolo Macario <d50c09b51e61901a1c5054dce86f92776c198faa@mentor.com>
gmacario/easy-jenkins