fix content view frame issue when empty data set is custom

Example/Info.plist

@@ -15,11 +15,11 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.4</string>
+	<string>1.5</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>5</string>
+	<string>6</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
 	<key>UILaunchStoryboardName</key>

TBEmptyDataSet.podspec

@@ -1,7 +1,7 @@
 Pod::Spec.new do |s|
 
   s.name         = "TBEmptyDataSet"
-  s.version      = "1.4"
+  s.version      = "1.5"
   s.summary      = "An extension of UITableView/UICollectionView's super class, it will display a placeholder when the data is empty."
 
   s.homepage     = "https://github.com/teambition/TBEmptyDataSet"

TBEmptyDataSet/EmptyDataView.swift

@@ -22,7 +22,6 @@ class EmptyDataView: UIView {
         let contentView = UIView()
         contentView.translatesAutoresizingMaskIntoConstraints = false
         contentView.backgroundColor = UIColor.clearColor()
-        contentView.userInteractionEnabled = true
         contentView.alpha = 0
         return contentView
     }()
@@ -32,7 +31,6 @@ class EmptyDataView: UIView {
         imageView.translatesAutoresizingMaskIntoConstraints = false
         imageView.backgroundColor = UIColor.clearColor()
         imageView.contentMode = .ScaleAspectFill
-        imageView.userInteractionEnabled = false
         self.contentView.addSubview(imageView)
         return imageView
         }()
@@ -139,6 +137,7 @@ class EmptyDataView: UIView {
             contentView.addConstraint(NSLayoutConstraint(item: customView, attribute: .CenterY, relatedBy: .Equal, toItem: contentView, attribute: .CenterY, multiplier: 1, constant: 0))
             contentView.addConstraint(NSLayoutConstraint(item: customView, attribute: .Width, relatedBy: .Equal, toItem: .None, attribute: .NotAnAttribute, multiplier: 1, constant: customView.frame.width))
             contentView.addConstraint(NSLayoutConstraint(item: customView, attribute: .Height, relatedBy: .Equal, toItem: .None, attribute: .NotAnAttribute, multiplier: 1, constant: customView.frame.height))
+            contentView.addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|[\(ViewStrings.customView)]|", options: [], metrics: nil, views: [ViewStrings.customView: customView]))
         } else {
             var viewStrings = [String]()
             var views = [String: UIView]()

TBEmptyDataSet/Supporting Files/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.4</string>
+	<string>1.5</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>

TBEmptyDataSet/TBEmptyDataSet.swift

@@ -278,7 +278,7 @@ extension UIScrollView: UIGestureRecognizerDelegate {
         emptyDataView.backgroundColor = emptyDataSetBackgroundColor()
         emptyDataView.hidden = false
         emptyDataView.clipsToBounds = true
-        emptyDataView.userInteractionEnabled = emptyDataSetTapEnabled()
+        emptyDataView.tapGesture.enabled = emptyDataSetTapEnabled()
         scrollEnabled = emptyDataSetScrollEnabled()
 
         emptyDataView.setConstraints()