Prepare release 0.27.0 (#12)

* Prepare release 0.27.0
* Add explanation for deprecation
* Build only for tags
* Use single decision source for publishing

Signed-off-by: Yuri Shkuro <ys@uber.com>

Preparing release 0.26.0

Signed-off-by: Juraci Paixão Kröhling <juraci@kroehling.de>

Preparing release 0.25.0 (#365)

Signed-off-by: Juraci Paixão Kröhling <juraci@kroehling.de>

Merging at Juca's request.

Preparing release 0.24

Signed-off-by: Yuri Shkuro <ys@uber.com>

Preparing release 0.23.0

Signed-off-by: Yuri Shkuro <ys@uber.com>

Prepare release 0.22.0-RC2

Signed-off-by: Yuri Shkuro <ys@uber.com>

Update for OpenTracing Java v0.31.0-RC1 (#246)

* Update for OpenTracing Java v0.31.0-RC1

Signed-off-by: Gary Brown <gary@brownuk.com>

* Fix version and add back deprecated log methods

Signed-off-by: Gary Brown <gary@brownuk.com>

* Remove the deprecated log methods

Signed-off-by: Gary Brown <gary@brownuk.com>

* Fix checkstyle

* Fix test

* Update version pattern to cope with release candidate

Senders fix, do not use static thrift factory (#233)

Use okhttp for HttpSender (#223)

- okhttp dependency added, also publish a shaded jar with okhttp 3.8.1
- Add a HttpSender constructor that defaults to a maxPayloadSize of 1MB
- Add tests for HttpSender

Chop off the 'v' from the tag name (#209)