proposed fix for issue https://github.com/sensu/sensu/issues/736
[transport-error] set transport logger before loading, settings transport defaults to an empty hash
Merge pull request #740 from portertech/transport-error

Set the transport logger before loading
release 0.13.0.beta
[sensu-em] bump the version of sensu-em, jruby datagram fixes
Merge pull request #741 from portertech/sensu-em

Bump the version of sensu-em, JRuby datagram fixes
Merge pull request #739 from grahaminn/patch-sub-command-tokens

proposed fix for issue https://github.com/sensu/sensu/issues/736
[tokens] refactored command token substitution, added tests
[tokens] ensure token default isn't interpreted as an attribute
[token] test unmatched tokens w/ an existing empty hash attribute
Merge pull request #743 from portertech/tokens

Refactored command token substitution, added tests
release 0.13.0.beta.1
[sensu-em] use sensu-em 2.2.0 to stop installing jruby-openssl on jruby
[sensu-em] updated specs to work w/ rspec 3
Merge pull request #745 from portertech/sensu-em

Use sensu-em 2.2.0 to stop installing jruby-openssl on JRuby
[keepalive-handler] users can specify "keepalive" handler, default for keepalive events if it exists
Merge pull request #744 from portertech/keepalive-handler

Users can define a "keepalive" handler
[sensu-transport] use sensu-transport 0.0.7, should fix close() race.
Merge pull request #746 from portertech/sensu-transport

Use sensu-transport 0.0.7, should fix close() race.
beta version/iteration bump