Dependency upgrades (#88)

* Upgrade grpc to 1.5.0

* Upgrade netty-boringssl to 2.0.5

* Upgrade google-auth to 0.7.1

Author: japgolly

guice/google-auth/pom.xml

@@ -25,12 +25,12 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-credentials</artifactId>
-      <version>0.4.0</version>
+      <version>${google-auth-library-credentials.version}</version>
     </dependency>
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>0.4.0</version>
+      <version>${google-auth-library-oauth2-http.version}</version>
     </dependency>
   </dependencies>
 </project>

guice/google-auth/src/main/java/com/google/cloud/trace/guice/auth/DefaultCredentialsModule.java

@@ -16,8 +16,8 @@
 
 import static com.google.common.base.Preconditions.checkNotNull;
 
-import com.google.api.client.http.HttpTransport;
 import com.google.auth.Credentials;
+import com.google.auth.http.HttpTransportFactory;
 import com.google.auth.oauth2.GoogleCredentials;
 import com.google.cloud.trace.guice.auth.Scopes;
 import com.google.inject.AbstractModule;
@@ -39,13 +39,13 @@ public final class DefaultCredentialsModule extends AbstractModule {
 
   @Override
   protected final void configure() {
-    requireBinding(HttpTransport.class);
+    requireBinding(HttpTransportFactory.class);
     requireBinding(Key.get(new TypeLiteral<List<String>>() {}, Scopes.class));
   }
 
   @Provides
   @Singleton
-  final Credentials provideCredentials(HttpTransport transport, @Scopes List<String> scopes)
+  final Credentials provideCredentials(HttpTransportFactory transport, @Scopes List<String> scopes)
       throws IOException {
     return GoogleCredentials.getApplicationDefault(checkNotNull(transport)).createScoped(scopes);
   }

guice/grpc-sink/pom.xml

@@ -40,7 +40,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-credentials</artifactId>
-      <version>0.4.0</version>
+      <version>${google-auth-library-credentials.version}</version>
     </dependency>
     <dependency>
       <groupId>com.google.inject</groupId>

pom.xml

@@ -31,9 +31,11 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <grpc.version>1.0.2</grpc.version>
-    <netty-boringssl.version>1.1.33.Fork23</netty-boringssl.version>
+    <grpc.version>1.5.0</grpc.version>
+    <netty-boringssl.version>2.0.5.Final</netty-boringssl.version>
     <grpc-google-devtools-cloudtrace-v1.version>0.1.1</grpc-google-devtools-cloudtrace-v1.version>
+    <google-auth-library-credentials.version>0.7.1</google-auth-library-credentials.version>
+    <google-auth-library-oauth2-http.version>0.7.1</google-auth-library-oauth2-http.version>
   </properties>
 
   <modules>

samples/buffering-grpc/pom.xml

@@ -44,7 +44,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>0.4.0</version>
+      <version>${google-auth-library-oauth2-http.version}</version>
     </dependency>
 
     <dependency>

samples/managed-grpc/pom.xml

@@ -44,7 +44,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>0.4.0</version>
+      <version>${google-auth-library-oauth2-http.version}</version>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>

samples/stackdriver-trace-api/pom.xml

@@ -26,7 +26,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>0.4.0</version>
+      <version>${google-auth-library-oauth2-http.version}</version>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>

services/trace-grpc-api-service/pom.xml

@@ -44,7 +44,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>0.4.0</version>
+      <version>${google-auth-library-oauth2-http.version}</version>
     </dependency>
   </dependencies>
 </project>

sinks/v1/grpc-consumer/pom.xml

@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-credentials</artifactId>
-      <version>0.4.0</version>
+      <version>${google-auth-library-credentials.version}</version>
     </dependency>
     <dependency>
       <groupId>io.grpc</groupId>

sinks/v1/http-consumer/pom.xml

@@ -34,7 +34,7 @@
     <dependency>
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
-      <version>0.4.0</version>
+      <version>${google-auth-library-oauth2-http.version}</version>
     </dependency>
     <dependency>
       <groupId>com.google.guava</groupId>