Update Google+ integration.

[UPDATED]   Google+ SDK to 1.1.0.

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

@@ -17,6 +17,9 @@
 //  GTLService.h
 //
 
+// Service object documentation:
+// https://code.google.com/p/google-api-objectivec-client/wiki/Introduction#Services_and_Tickets
+
 #import <Foundation/Foundation.h>
 
 #import "GTLDefines.h"
@@ -123,8 +126,8 @@ typedef void *GTLServiceUploadProgressBlock;
 
   NSUInteger uploadChunkSize_;      // zero when uploading via multi-part MIME http body
 
-  BOOL isRetryEnabled_;      // user allows auto-retries
-  SEL retrySelector_;             // optional; set with setServiceRetrySelector
+  BOOL isRetryEnabled_;             // user allows auto-retries
+  SEL retrySelector_;               // optional; set with setServiceRetrySelector
   NSTimeInterval maxRetryInterval_; // default to 600. seconds
 
   BOOL shouldFetchNextPages_;
@@ -152,7 +155,8 @@ typedef void *GTLServiceUploadProgressBlock;
 // be nil.)
 //
 // If the query object is a GTLBatchQuery, the object passed to the callback
-// will be a GTLBatchResult
+// will be a GTLBatchResult; see the batch query documentation:
+// https://code.google.com/p/google-api-objectivec-client/wiki/Introduction#Batch_Operations
 
 - (GTLServiceTicket *)executeQuery:(id<GTLQueryProtocol>)query
                           delegate:(id)delegate
@@ -350,6 +354,17 @@ typedef void *GTLServiceUploadProgressBlock;
 // is ignored.
 @property (nonatomic, assign) BOOL shouldFetchInBackground;
 
+// Callbacks can be invoked on an operation queue rather than via the run loop
+// starting on 10.7 and iOS 6.  Do not specify both run loop modes and an
+// operation queue. Specifying a delegate queue typically looks like this:
+//
+//   service.delegateQueue = [[[NSOperationQueue alloc] init] autorelease];
+//
+// Since the callbacks will be on a thread of the operation queue, the client
+// may re-dispatch from the callbacks to a known dispatch queue or to the
+// main queue.
+@property (nonatomic, retain) NSOperationQueue *delegateQueue;
+
 // Run loop modes are used for scheduling NSURLConnections.
 //
 // The default value, nil, schedules connections using the current run