Add a UIActivity subclass and the option to invoke compose view from anywhere modally

Classes/BITFeedbackComposeViewControllerDelegate.h

@@ -0,0 +1,31 @@
+//
+//  BITFeedbackComposeViewControllerDelegate.h
+//  HockeySDK
+//
+//  Created by Andreas Linde on 15.10.12.
+//
+//
+
+#import <Foundation/Foundation.h>
+
+@class BITFeedbackComposeViewController;
+
+@protocol BITFeedbackComposeViewControllerDelegate <NSObject>
+
+@optional
+
+///-----------------------------------------------------------------------------
+/// @name View Controller Management
+///-----------------------------------------------------------------------------
+
+/**
+ Invoked once the compose screen is finished via send or cancel
+ 
+ If this is implemented, it's the responsibility of this method to dismiss the presented
+ `BITFeedbackComposeViewController`
+ 
+ @param composeViewController The `BITFeedbackComposeViewController` instance invoking this delegate
+ */
+- (void)feedbackComposeViewControllerDidFinish:(BITFeedbackComposeViewController *)composeViewController;
+
+@end