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/GTLPlus/GTLServicePlus.m

@@ -0,0 +1,63 @@
+/* Copyright (c) 2012 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.
+ */
+
+//
+//  GTLServicePlus.m
+//
+
+// ----------------------------------------------------------------------------
+// NOTE: This file is generated from Google APIs Discovery Service.
+// Service:
+//   Google+ API (plus/v1moments)
+// Description:
+//   The Google+ API enables developers to build on top of the Google+ platform.
+// Documentation:
+//   http://developers.google.com/+/api/
+// Classes:
+//   GTLServicePlus (0 custom class methods, 0 custom properties)
+
+#import "GTLPlus.h"
+
+@implementation GTLServicePlus
+
+#if DEBUG
+// Method compiled in debug builds just to check that all the needed support
+// classes are present at link time.
++ (NSArray *)checkClasses {
+  NSArray *classes = [NSArray arrayWithObjects:
+                      [GTLQueryPlus class],
+                      [GTLPlusItemScope class],
+                      [GTLPlusMoment class],
+                      [GTLPlusPerson class],
+                      nil];
+  return classes;
+}
+#endif  // DEBUG
+
+- (id)init {
+  self = [super init];
+  if (self) {
+    // Version from discovery.
+    self.apiVersion = @"v1moments";
+
+    // From discovery.  Where to send JSON-RPC.
+    // Turn off prettyPrint for this service to save bandwidth (especially on
+    // mobile). The fetcher logging will pretty print.
+    self.rpcURL = [NSURL URLWithString:@"https://www.googleapis.com/rpc?prettyPrint=false"];
+  }
+  return self;
+}
+
+@end