title: How to implement PSCollectionView?
body: <p>Ive searched for an answer but the other questions didnt help me.
  Im trying to implement this collection view into an existing project.
  I cant seem to understand what is this block of code?</p>
  
  <pre><code> self.collectionView = [[PSCollectionView alloc] initWithFrame:CGRectZero];
   self.collectionView.delegate = self; // This is for UIScrollViewDelegate
   self.collectionView.collectionViewDelegate = self;
   self.collectionView.collectionViewDataSource = self;
   self.collectionView.backgroundColor = [UIColor clearColor];
   self.collectionView.autoresizingMask = ~UIViewAutoresizingNone;
  </code></pre>
  
  <p>what is this "self.collectionView" ? do i have to create something in the storyboard ?
  i dont know how to use the storyboard, i always use code
  please help me guys</p>