Update Podspec

Author: muukii

Differentiator.podspec

@@ -0,0 +1,22 @@
+Pod::Spec.new do |s|
+  s.name             = "Differentiator"
+  s.version          = "2.0.0"
+  s.summary          = "Diff algorithm for UITableView and UICollectionView."
+  s.description      = <<-DESC
+  Diff algorithm for UITableView and UICollectionView.
+  RxDataSources is powered by Differentiator. 
+                        DESC
+                        
+  s.homepage         = "https://github.com/ReactiveX/RxSwift"
+  s.license          = 'MIT'
+  s.author           = { "Krunoslav Zaher" => "[email protected]" }
+  s.source           = { :git => "https://github.com/RxSwiftCommunity/RxDataSources.git", :tag => s.version.to_s }
+
+  s.requires_arc          = true
+  
+  s.source_files = 'Sources/Differentiator/**/*.swift'
+
+  s.ios.deployment_target = '8.0'
+  s.tvos.deployment_target = '9.0'
+
+end

RxDataSources.podspec

@@ -28,27 +28,20 @@ data
     .disposed(by: disposeBag)
 ```
                         DESC
-
-  s.subspec 'Diffing' do |ds|
-    ds.source_files = 'Sources/Differentiator/**/*.swift'
-  end
-
-  s.subspec 'Default' do |cs|
-    cs.dependency 'RxDataSources/Diffing'
-    cs.source_files = 'Sources/RxDataSources/*.swift'
-  end
-
+                        
   s.homepage         = "https://github.com/ReactiveX/RxSwift"
   s.license          = 'MIT'
   s.author           = { "Krunoslav Zaher" => "[email protected]" }
   s.source           = { :git => "https://github.com/RxSwiftCommunity/RxDataSources.git", :tag => s.version.to_s }
 
-  s.default_subspec = 'Default'
   s.requires_arc          = true
+  
+  s.source_files = 'Sources/RxDataSources/**/*.swift'
+  s.dependency 'Differentiator', '~> 2.0'
+  s.dependency 'RxSwift', '~> 3.0'
+  s.dependency 'RxCocoa', '~> 3.0'
 
   s.ios.deployment_target = '8.0'
   s.tvos.deployment_target = '9.0'
 
-  s.dependency 'RxSwift', '~> 3.0'
-  s.dependency 'RxCocoa', '~> 3.0'
 end