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/GTLPlusMoment.h

@@ -0,0 +1,79 @@
+/* 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.
+ */
+
+//
+//  GTLPlusMoment.h
+//
+
+// ----------------------------------------------------------------------------
+// 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:
+//   GTLPlusMoment (0 custom class methods, 6 custom properties)
+//   GTLPlusMomentVerb (0 custom class methods, 1 custom properties)
+
+#if GTL_BUILT_AS_FRAMEWORK
+  #import "GTL/GTLObject.h"
+#else
+  #import "GTLObject.h"
+#endif
+
+@class GTLPlusItemScope;
+@class GTLPlusMomentVerb;
+
+// ----------------------------------------------------------------------------
+//
+//   GTLPlusMoment
+//
+
+@interface GTLPlusMoment : GTLObject
+
+// Identifies this resource as a moment.
+@property (copy) NSString *kind;
+
+// The object generated by performing the action on the item
+@property (retain) GTLPlusItemScope *result;
+
+// Timestamp of the action (when it occured) in RFC3339 format.
+@property (retain) GTLDateTime *startDate;
+
+// The object on which the action was performed
+@property (retain) GTLPlusItemScope *target;
+
+// The schema.org activity type
+@property (copy) NSString *type;
+
+// The action the user performed
+@property (retain) GTLPlusMomentVerb *verb;
+
+@end
+
+
+// ----------------------------------------------------------------------------
+//
+//   GTLPlusMomentVerb
+//
+
+@interface GTLPlusMomentVerb : GTLObject
+
+// Url name of the verb
+@property (copy) NSString *url;
+
+@end