Move to a non-snapshot version of OkHttp

Author: maniksurtani

build.gradle

@@ -27,7 +27,7 @@ subprojects {
         // TODO: Unreleased dependencies.
         // These must already be installed in the local maven repository.
         netty: 'io.netty:netty-codec-http2:5.0.0.Alpha2-SNAPSHOT',
-        okhttp: 'com.squareup.okhttp:okhttp:2.2.0-SNAPSHOT',
+        okhttp: 'com.squareup.okhttp:okhttp:2.2.0',
 
         // Test dependencies.
         junit: 'junit:junit:4.11',

okhttp/src/main/java/com/google/net/stubby/transport/okhttp/OkHttpClientTransport.java

@@ -46,7 +46,7 @@
 import com.squareup.okhttp.internal.spdy.FrameReader;
 import com.squareup.okhttp.internal.spdy.Header;
 import com.squareup.okhttp.internal.spdy.HeadersMode;
-import com.squareup.okhttp.internal.spdy.Http20Draft15;
+import com.squareup.okhttp.internal.spdy.Http20Draft16;
 import com.squareup.okhttp.internal.spdy.Settings;
 import com.squareup.okhttp.internal.spdy.Variant;
 
@@ -196,7 +196,7 @@ protected void doStart() {
       } catch (IOException e) {
         throw new RuntimeException(e);
       }
-      Variant variant = new Http20Draft15();
+      Variant variant = new Http20Draft16();
       frameReader = variant.newReader(source, true);
       frameWriter = new AsyncFrameWriter(variant.newWriter(sink, true), this, executor);
       outboundFlow = new OutboundFlowController(this, frameWriter);

pom.xml

@@ -137,7 +137,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-    <okhttp.version>2.2.0-SNAPSHOT</okhttp.version>
+    <okhttp.version>2.2.0</okhttp.version>
     <netty.version>5.0.0.Alpha2-SNAPSHOT</netty.version>
     <jetty.alpn.version>8.0.0.v20140317</jetty.alpn.version>
     <jetty.alpn.path>