Created a binary of Three20 to bundle with the discussion board example

Examples/RKDiscussionBoardExample/DiscussionBoard/Libraries/three20/Three20UI/TTMessageField.h

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+//
+// Copyright 2009-2010 Facebook
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
+@class TTPickerTextField;
+@class TTMessageController;
+
+/**
+ * The base class for all fields used by the TTMessageController.
+ */
+@interface TTMessageField : NSObject {
+  NSString* _title;
+  BOOL      _required;
+}
+
+/**
+ * The title of this field, which will be rendered along with the field's
+ * contents.
+ */
+@property (nonatomic, copy) NSString* title;
+
+/**
+ * If true, the user must supply a value for this field before they will be
+ * able to send their message.
+ */
+@property (nonatomic) BOOL required;
+
+- (id)initWithTitle:(NSString*)title required:(BOOL)required;
+
+- (TTPickerTextField*)createViewForController:(TTMessageController*)controller;
+
+- (id)persistField:(UITextField*)textField;
+
+- (void)restoreField:(UITextField*)textField withData:(id)data;
+
+@end