Release 0.29.0 (#2627)

Author: vam-google

google-cloud-contrib/google-cloud-logging-logback/README.md

@@ -19,16 +19,16 @@ If you are using Maven, add this to your pom.xml file
 <dependency>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-logging-logback</artifactId>
-  <version>0.28.0-alpha</version>
+  <version>0.29.0-alpha</version>
 </dependency>
 ```
 If you are using Gradle, add this to your dependencies
 ```Groovy
-compile 'com.google.cloud:google-cloud-logging-logback:0.28.0-alpha'
+compile 'com.google.cloud:google-cloud-logging-logback:0.29.0-alpha'
 ```
 If you are using SBT, add this to your dependencies
 ```Scala
-libraryDependencies += "com.google.cloud" % "google-cloud-logging-logback" % "0.28.0-alpha"
+libraryDependencies += "com.google.cloud" % "google-cloud-logging-logback" % "0.29.0-alpha"
 ```
 
 Usage 

google-cloud-contrib/google-cloud-logging-logback/pom.xml

@@ -5,7 +5,7 @@
   <modelVersion>4.0.0</modelVersion>
 
   <artifactId>google-cloud-logging-logback</artifactId>
-  <version>0.28.1-alpha-SNAPSHOT</version>
+  <version>0.29.0-alpha</version>
   <packaging>jar</packaging>
   <name>Google Cloud Logging Logback Appender</name>
   <url>https://github.com/GoogleCloudPlatform/google-cloud-java/tree/master/google-cloud-contrib/google-cloud-logging-logback</url>
@@ -20,7 +20,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-contrib</artifactId>
-    <version>0.28.1-alpha-SNAPSHOT</version>
+    <version>0.29.0-alpha</version>
   </parent>
   <dependencies>
     <dependency>