Adds new action files

Author: abeisgoat

library/src/main/java/com/firebase/ui/auth/core/FirebaseResponse.java

@@ -0,0 +1,12 @@
+package com.firebase.ui.auth.core;
+
+public class FirebaseResponse {
+    public static int WRONG_CREDENTIALS = 0;
+    public static int PROVIDER_NOT_ENABLED = 1;
+    public static int LOGIN_CANCELLED = 2;
+    public static int MISC_PROVIDER_ERROR = 3;
+    public static int INVALID_PROVIDER_APP_ID = 4;
+    public static int INVALID_PROVIDER_APP_KEY = 5;
+    public static int MISSING_PROVIDER_APP_ID = 6;
+    public static int MISSING_PROVIDER_APP_KEY = 7;
+}

library/src/main/java/com/firebase/ui/auth/google/GoogleActions.java

@@ -0,0 +1,9 @@
+package com.firebase.ui.auth.google;
+
+public class GoogleActions {
+    private static int base = 1000;
+    public static int REQUEST = base+0;
+    public static int SUCCESS = base+1;
+    public static int PROVIDER_ERROR = base+2;
+    public static int USER_ERROR = base+3;
+}

library/src/main/java/com/firebase/ui/auth/twitter/TwitterActions.java

@@ -0,0 +1,9 @@
+package com.firebase.ui.auth.twitter;
+
+public class TwitterActions {
+    private static int base = 2000;
+    public static int REQUEST = base+0;
+    public static int SUCCESS = base+1;
+    public static int PROVIDER_ERROR = base+2;
+    public static int USER_ERROR = base+3;
+}