adds autoresizing mask to ImageView

.gitignore

@@ -22,6 +22,7 @@ xcuserdata
 *.moved-aside
 *.xcuserstate
 *.xcscmblueprint
+.DS_Store
 
 ## Obj-C/Swift specific
 *.hmap
@@ -54,7 +55,7 @@ Carthage/Build
 
 # fastlane
 #
-# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the 
+# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
 # screenshots whenever they are needed.
 # For more information about the recommended setup visit:
 # https://github.com/fastlane/fastlane/blob/master/docs/Gitignore.md

Spinner/Spinner.swift

@@ -170,6 +170,7 @@ public extension SpinnerView {
         if let image = animationImage {
             let imageView = UIImageView(frame: view.bounds)
             imageView.contentMode = .center
+            imageView.autoresizingMask = [.flexibleTopMargin, .flexibleLeftMargin, .flexibleRightMargin, .flexibleBottomMargin]
             imageView.animationDuration = image.animationDuration
             imageView.animationImages = image.animationImages
             imageView.startAnimating()