Update README.md
include how to use Multiple Image Datasource in readme. :)
Fix for Bug #7.  Here we increase the Done button's insets to make the click area larger.
Fix for bug #16.  iOS7 issues like a crash on click or drag of image, or failing to show the _blackMask.
Merge pull request #24 from kuvet/master

Pull Request to fix bug #16 and #7
Further fixes for bug #16.  ImageViewerCell is now displayed in the vertical center and drag offsets are calculated from [UIScreen mainScreen].center
Merge pull request #25 from kuvet/master

Further fixes for bug #16.  ImageViewerCell is now displayed in the vert...