add blackbox to scripts
bump tail blackbox candiedyaml fsnotify tomb.v1

Submodule src/github.com/ActiveState/tail 0000000...068b729 (new submodule)
Submodule src/github.com/concourse/blackbox 0000000...8664286 (new submodule)
Submodule src/github.com/fraenkel/candiedyaml 0000000...8484253 (new submodule)
Submodule src/github.com/howeyc/fsnotify 0000000...6b1ef89 (new submodule)
Submodule src/gopkg.in/tomb.v1 0000000...dd63297 (new submodule)
add blackbox package
add initial blackbox job
blackbox should not run as root

[#82340478]
bump blackbox remote_syslog2 syslog

Submodule src/github.com/concourse/blackbox 8664286..d360a98:
  > README already has an example
  > allow setting a custom hostname
  > switch out for a new syslog client
  > rearrange imports
  > don't panic if line from tailer is nil
  > use constant in tailer seek position
  > add blackbox integration test
Submodule src/github.com/papertrail/remote_syslog2 0000000...4b1f6de (new submodule)
Submodule src/github.com/ziutek/syslog 0000000...0e395df (new submodule)
set hostname for blackbox bosh jobs
bump blackbox

Submodule src/github.com/concourse/blackbox d360a98..55968c4:
  > don't hide useful errors
document new tls option for blackbox transport
bump blackbox candiedyaml

Submodule src/github.com/concourse/blackbox 55968c4..5983e9b:
  > use the correct candiedyaml fork
Merge pull request #11 from concourse/blackbox

Blackbox