release 1.33.1/0.50.1 (#596)

* release 1.33.1/0.50.1

README.md

@@ -32,27 +32,27 @@ If you are using Maven, add this to your pom.xml file
 <dependency>
   <groupId>com.google.api</groupId>
   <artifactId>gax</artifactId>
-  <version>1.33.0</version>
+  <version>1.33.1</version>
 </dependency>
 <dependency>
   <groupId>com.google.api</groupId>
   <artifactId>gax-grpc</artifactId>
-  <version>1.33.0</version>
+  <version>1.33.1</version>
 </dependency>
 ```
 
 If you are using Gradle, add this to your dependencies
 
 ```Groovy
-compile 'com.google.api:gax:1.33.0',
-  'com.google.api:gax-grpc:1.33.0'
+compile 'com.google.api:gax:1.33.1',
+  'com.google.api:gax-grpc:1.33.1'
 ```
 
 If you are using SBT, add this to your dependencies
 
 ```Scala
-libraryDependencies += "com.google.api" % "gax" % "1.33.0"
-libraryDependencies += "com.google.api" % "gax-grpc" % "1.33.0"
+libraryDependencies += "com.google.api" % "gax" % "1.33.1"
+libraryDependencies += "com.google.api" % "gax-grpc" % "1.33.1"
 ```
 
 [//]: # (/_QUICKSTART_ WARNING: This section is automatically inserted by build scripts)

gax-grpc/version.txt

@@ -1 +1 @@
-1.33.1-SNAPSHOT
+1.33.1

gax-httpjson/version.txt

@@ -1 +1 @@
-0.50.1-SNAPSHOT
+0.50.1

gax/version.txt

@@ -1 +1 @@
-1.33.1-SNAPSHOT
+1.33.1

samples/pom.xml

@@ -14,13 +14,13 @@
       <groupId>com.google.api</groupId>
       <artifactId>gax</artifactId>
       <!-- WARNING this is automatically populated by a build script, don't update manually -->
-      <version>1.33.0</version>
+      <version>1.33.1</version>
     </dependency>
     <dependency>
       <groupId>com.google.api</groupId>
       <artifactId>gax-grpc</artifactId>
       <!-- WARNING this is automatically populated by a build script, don't update manually -->
-      <version>1.33.0</version>
+      <version>1.33.1</version>
     </dependency>
     <dependency>
       <groupId>com.google.auto.value</groupId>