Sharing on Facebook, Twitter and Google+

[FIXED]     Font of navbar.
[FIXED]     A few compile fixes.
[IMPROVED]  Made properties nonatomic.
[ADDED]     Support for facebook, twitter and google+ sharing.

External/google-plus-ios-sdk/OpenSource/GTL/GTLBatchQuery.h

@@ -0,0 +1,49 @@
+/* Copyright (c) 2011 Google Inc.
+ *
+ * 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.
+ */
+
+//
+//  GTLBatchQuery.h
+//
+
+#import "GTLQuery.h"
+
+@interface GTLBatchQuery : NSObject <GTLQueryProtocol> {
+ @private
+  NSMutableArray *queries_;
+  NSMutableDictionary *requestIDMap_;
+  BOOL skipAuthorization_;
+  NSDictionary *additionalHTTPHeaders_;
+}
+
+// Queries included in this batch.  Each query should have a unique requestID.
+@property (retain) NSArray *queries;
+
+// Clients may set this to YES to disallow authorization. Defaults to NO.
+@property (assign) BOOL shouldSkipAuthorization;
+
+// Any additional HTTP headers for this batch.
+//
+// These headers override the same keys from the service object's
+// additionalHTTPHeaders.
+@property (copy) NSDictionary *additionalHTTPHeaders;
+
++ (id)batchQuery;
++ (id)batchQueryWithQueries:(NSArray *)array;
+
+- (void)addQuery:(GTLQuery *)query;
+
+- (GTLQuery *)queryForRequestID:(NSString *)requestID;
+
+@end