Issue #62 add registry ping messages
Issue #62 add DWR support
Issue #62 show ping status
Issue #62 add ping support
Issue #62 ping the reg on show()
Issue #62 add ping() support
Closes #62 check registry is up when reading from env
Fixes #63 - force /dev/urandom for SecureRandom
Merge pull request #66 from atc-/0.8.4

0.8.4 merge