Use gwtjsonrpc 1.1.1

Signed-off-by: Shawn O. Pearce <sop@google.com>
diff --git a/pom.xml b/pom.xml
index 7f06133..c8f748a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -255,7 +255,7 @@
   <properties>
     <jgitVersion>0.5.0-63-gb245c3c</jgitVersion>
     <gwtormVersion>1.1.1</gwtormVersion>
-    <gwtjsonrpcVersion>1.1.1-SNAPSHOT</gwtjsonrpcVersion>
+    <gwtjsonrpcVersion>1.1.1</gwtjsonrpcVersion>
     <gwtexpuiVersion>1.1.2</gwtexpuiVersion>
     <gwtVersion>1.7.0</gwtVersion>
     <gwtStyle>OBF</gwtStyle>