Initial commit fixes the handling of nil strings in LQTopPlacesPhotos.
Added method in FlickrWebServices to get photo from FLickr.
Fixed LQTopPlacesPhoto and FlickrFetcher to enable the webservice call to only use my custom class(LQTopPlacesPhoto)
Changed the maximumscrollzoom on ImageViewController.
Made changes from PR feedback.
Changed valueForKey: to objectForKey: on LQTopPlacesPhoto.m
Additional changes missed: adding forward declaration to ImageViewController.h
Merge pull request #2 from luquantan/feature/ImageView

Feature/image view