twitter-oss: Prepare OSS libraries for release 20.6.0

Problem

We want to release the next versions of our Twitter OSS libraries 20.6.0
 - util
 - scrooge
 - finagle
 - twitter-server
 - finatra

Solution

Prepare libraries for their next releases.

Differential Revision: https://phabricator.twitter.biz/D506048

Author: ryanoneill

Diff for: CHANGELOG.rst

@@ -7,6 +7,9 @@ Note that ``PHAB_ID=#`` and ``RB_ID=#`` correspond to associated messages in com
 Unreleased
 ----------
 
+20.6.0
+------
+
 Runtime Behavior Changes
 ~~~~~~~~~~~~~~~~~~~~~~~~
 

Diff for: README.md

@@ -5,7 +5,7 @@
 
 # Finagle
 
-[![Build status](https://travis-ci.com/twitter/finagle.svg?branch=develop)](https://travis-ci.com/twitter/finagle)
+[![Build status](https://travis-ci.com/twitter/finagle.svg?branch=master)](https://travis-ci.com/twitter/finagle)
 [![Codecov](https://codecov.io/gh/twitter/finagle/branch/develop/graph/badge.svg)](https://codecov.io/gh/twitter/finagle)
 [![Project status](https://img.shields.io/badge/status-active-brightgreen.svg)](#status)
 [![Gitter](https://badges.gitter.im/twitter/finagle.svg)](https://gitter.im/twitter/finagle?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
@@ -75,4 +75,4 @@ for more details about how to contribute.
 
 Copyright 2010-2020 Twitter, Inc.
 
-Licensed under the Apache License, Version 2.0: https://www.apache.org/licenses/LICENSE-2.0
+Licensed under the Apache License, Version 2.0: https://www.apache.org/licenses/LICENSE-2.0

Diff for: build.sbt

@@ -2,7 +2,7 @@ import Tests._
 import scoverage.ScoverageKeys
 
 // All Twitter library releases are date versioned as YY.MM.patch
-val releaseVersion = "20.6.0-SNAPSHOT"
+val releaseVersion = "20.6.0"
 
 val libthriftVersion = "0.10.0"
 

Diff for: doc/src/sphinx/code/client-server-anatomy/build.sbt

@@ -5,5 +5,5 @@ version := "1.0"
 scalaVersion := "2.12.1"
 
 libraryDependencies ++= Seq(
-  "com.twitter" %% "finagle-core" % "20.5.0"
+  "com.twitter" %% "finagle-core" % "20.6.0"
 )

Diff for: doc/src/sphinx/code/protocols/build.sbt

@@ -5,5 +5,5 @@ version := "1.0"
 scalaVersion := "2.12.1"
 
 libraryDependencies ++= Seq(
-  "com.twitter" %% "finagle-mysql" % "20.5.0"
+  "com.twitter" %% "finagle-mysql" % "20.6.0"
 )

Diff for: doc/src/sphinx/code/quickstart/build.sbt

@@ -4,4 +4,4 @@ version := "1.0"
 
 scalaVersion := "2.12.1"
 
-libraryDependencies += "com.twitter" %% "finagle-http" % "20.5.0"
+libraryDependencies += "com.twitter" %% "finagle-http" % "20.6.0"

Diff for: project/plugins.sbt

@@ -1,7 +1,7 @@
 resolvers += Classpaths.sbtPluginReleases
 resolvers += Resolver.sonatypeRepo("snapshots")
 
-val releaseVersion = "20.6.0-SNAPSHOT"
+val releaseVersion = "20.6.0"
 
 addSbtPlugin("com.twitter" % "scrooge-sbt-plugin" % releaseVersion)