Various fixes and documentation improvements

Classes/BITFeedbackComposeViewController.h

@@ -55,6 +55,11 @@
 
 /**
  Sets the `BITFeedbackComposeViewControllerDelegate` delegate.
+
+ The delegate is automatically set by using `[BITHockeyManager setDelegate:]`. You
+ should not need to set this delegate individually.
+ 
+ @see `[BITHockeyManager setDelegate:`]
  */
 @property (nonatomic, weak) id<BITFeedbackComposeViewControllerDelegate> delegate;