Reflowable Layout

New Callback Function is added

/** called before TTS is about to speak aloud and requests the text to be modified (e.g. speak differently for numbers or text inside parenthesis) */

-(NSString*)reflowableViewController:(ReflowableViewController*)rvc postProcessText:(NSString*)rawString;

New Events are added.
/** called when video is hit by tap gesture. @param urlString the image source hit by tap */

-(void)reflowableViewController:(ReflowableViewController*)rvc didHitVideo:(NSString*)urlString;

/** called when audio is hit by tap gesture. @param urlString the image source hit by tap */

-(void)reflowableViewController:(ReflowableViewController*)rvc didHitAudio:(NSString*)urlString;