Updated old gauav dependencies and chnaged validation api version.
diff --git a/wave/build.gradle b/wave/build.gradle
index bffd82e..d26a53d 100644
--- a/wave/build.gradle
+++ b/wave/build.gradle
@@ -101,12 +101,15 @@
     maven {
         url 'https://oss.sonatype.org/content/repositories/google-snapshots/'
     }
+    maven {
+        url 'https://oss.sonatype.org/content/repositories/snapshots/'
+    }
 }
 
 dependencies {
     gwt(
-            [group: "javax.validation", name: "validation-api", version: "1.1.0.Final"],                        // [?, ?]
-            [group: "javax.validation", name: "validation-api", version: "1.1.0.Final", classifier: "sources"], // [?, ?]
+            [group: "javax.validation", name: "validation-api", version: "1.0.0.GA"],                        // [?, ?]
+            [group: "javax.validation", name: "validation-api", version: "1.0.0.GA", classifier: "sources"], // [?, ?]
             [group: "com.google.gwt", name: "gwt-dev", version: "2.8.0-SNAPSHOT"],                              // [?, ?]
             [group: "com.google.gwt", name: "gwt-user", version: "2.8.0-SNAPSHOT"],                             // [?, ?]
             [group: "com.google.gwt", name: "gwt-codeserver", version: "2.8.0-SNAPSHOT"],                       // [?, ?]
@@ -130,13 +133,14 @@
             [group: "commons-logging", name: "commons-logging", version: "1.1.1"],                              // [?, ?]
             [group: "com.google.code.findbugs", name: "jsr305", version: "2.0.1"],                              // [?, ?]
             [group: "com.google.code.gson", name: "gson", version: "2.2.4"],                                    // [?, ?]
-            [group: "com.google.guava", name: "guava", version: "15.0"],                                        // [?, ?]
-            [group: "com.google.guava", name: "guava-gwt", version: "15.0"],                                    // [?, ?]
+            [group: "com.google.guava", name: "guava", version: "20.0-SNAPSHOT"],                                        // [?, ?]
+            [group: "com.google.guava", name: "guava-gwt", version: "20.0-SNAPSHOT"],                                    // [?, ?]
             [group: "com.google.gxp", name: "google-gxp", version: "0.2.4-beta"],                               // [?, ?]
             [group: "com.google.inject.extensions", name: "guice-assistedinject", version: "3.0"],              // [?, ?]
             [group: "com.google.inject.extensions", name: "guice-servlet", version: "3.0"],                     // [?, ?]
             [group: "com.google.inject", name: "guice", version: "3.0"],                                        // [?, ?]
             [group: "com.google.protobuf", name: "protobuf-java", version: "2.6.1"],                            // [?, ?]
+            [group: "com.google.protobuf", name: "protobuf-java", version: "2.6.1", classifier: "sources"],                            // [?, ?]
             [group: "com.googlecode.protobuf-java-format", name: "protobuf-java-format", version: "1.2"],       // [?, ?]
             [group: "com.typesafe", name: "config", version: "1.2.1"],                                          // [?, ?]
             [group: "dom4j", name: "dom4j", version: "1.6.1"],                                                  // [?, ?]