release v-1.19.0 (agones-dev#2383)

release v-1.19.0

Updates for release 1.19.0-rc (agones-dev#2377)

Release 1.18.0. (agones-dev#2309)

This includes all of the changes for the 1.18.0 release candidate. (a…

…gones-dev#2292)

Release/1.17.0 (agones-dev#2247)

* release 1.17.0

* release 1.17.0

* Release 1.17.0

* Release 1.17.0

* Release 1.17.0

* Sync the bugfix of fleet autoscaler nil check to release 1.17.0

Release 1.17.0-rc (agones-dev#2236)

This include all the changes for the 1.17.0 release candidate.

Release 1.16.0. (agones-dev#2184)

This includes all of the changes for the 1.16.0 release candidate. (a…

…gones-dev#2181)

Release 1.15.0 (agones-dev#2128)

Release 1.15.0-rc (agones-dev#2121)

This includes all of the changes for the 1.15.0 release candidate.