Build github plugin against the v3.8.0 Gerrit API

Change-Id: I0184b1575fcd1523bb30d0add781ed5f7d6a00a3
(cherry picked from commit 922646ceed3730b84add9dbc204ea622642dc90b)
diff --git a/github-oauth/pom.xml b/github-oauth/pom.xml
index 346b5d9..75b9c09 100644
--- a/github-oauth/pom.xml
+++ b/github-oauth/pom.xml
@@ -21,7 +21,7 @@
   <parent>
     <groupId>com.googlesource.gerrit.plugins.github</groupId>
     <artifactId>github-parent</artifactId>
-    <version>3.8.0-rc5</version>
+    <version>3.8.0</version>
   </parent>
   <artifactId>github-oauth</artifactId>
   <name>Gerrit Code Review - GitHub OAuth login</name>
diff --git a/github-plugin/pom.xml b/github-plugin/pom.xml
index 266ad9f..cc410e6 100644
--- a/github-plugin/pom.xml
+++ b/github-plugin/pom.xml
@@ -20,7 +20,7 @@
   <parent>
     <artifactId>github-parent</artifactId>
     <groupId>com.googlesource.gerrit.plugins.github</groupId>
-    <version>3.8.0-rc5</version>
+    <version>3.8.0</version>
   </parent>
 
   <artifactId>github-plugin</artifactId>
diff --git a/pom.xml b/pom.xml
index 7d39fb8..326ce5c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.googlesource.gerrit.plugins.github</groupId>
   <artifactId>github-parent</artifactId>
-  <version>3.8.0-rc5</version>
+  <version>3.8.0</version>
   <name>Gerrit Code Review - GitHub integration</name>
   <url>http://www.gerritforge.com</url>
   <packaging>pom</packaging>