RKResponse should start loading on didReceiveData: or didSendBodyData, whichever is called first.

This prevents didSendData RKRequestDelegate method from being called before didStartLoading.

Remove goOffline and goOnline support from RKObjectManager. This did not work in the current implementation.

Code/ObjectMapping/RKObjectManager.h

@@ -32,7 +32,6 @@ typedef enum {
 	NSObject<RKRouter>* _router;
 	RKManagedObjectStore* _objectStore;	
 	RKObjectManagerOnlineState _onlineState;
-	BOOL _onlineStateForced;
 }
 
 /**
@@ -75,16 +74,6 @@ typedef enum {
  */
 @property (nonatomic, retain) RKClient* client;
 
-/**
- * Puts the manager into offline mode. Requests will not be sent.
- */
-- (void)goOffline;
-
-/**
- * Puts the manager into online mode. Requests will be sent.
- */
-- (void)goOnline;
-
 /**
  * True when we are in online mode
  */