[maven-release-plugin] prepare release logstash-0.7
[maven-release-plugin] prepare for next development iteration
Remove hyperlink metadata.

Jenkins stores hyperlink metadata (and maybe other metadata too) in
ansi-conceal blocks. Remove the ansi-conceal blocks otherwise base64
garbage ends up in the logstash message.
Next version is a build bump, not a minor version bump.
[maven-release-plugin] prepare release logstash-0.7.1
[maven-release-plugin] prepare for next development iteration
Don't repeat data in elasticsearch.
Also check that the password is not an empty string.
Make sure that we actually want to use redis and we have a string to send.
Update changelog.
[maven-release-plugin] prepare release logstash-0.7.2
[maven-release-plugin] prepare for next development iteration