[Pods] Update to RxSwift 2.0.0-beta.4

Author: kylef

Podfile.lock

@@ -1,13 +1,13 @@
 PODS:
   - QueryKit (0.12.1)
-  - RxSwift (2.0.0-beta.3)
+  - RxSwift (2.0.0-beta.4)
 
 DEPENDENCIES:
   - QueryKit (~> 0.12.0)
-  - RxSwift (= 2.0.0-beta.3)
+  - RxSwift (= 2.0.0-beta.4)
 
 SPEC CHECKSUMS:
   QueryKit: 6a8dbe9f33ffac00c424143695681a949b58518d
-  RxSwift: 19fbe885b404d1d36d42ac8535134739a9b42952
+  RxSwift: 191c6b06da783a8671433cf35a54d2ad2fd2d9de
 
 COCOAPODS: 0.39.0

RxQueryKit.podspec

@@ -12,7 +12,7 @@ Pod::Spec.new do |spec|
   spec.ios.deployment_target = '8.0'
   spec.osx.deployment_target = '10.9'
   spec.requires_arc = true
-  spec.dependency 'RxSwift', '2.0.0-beta.3'
+  spec.dependency 'RxSwift', '2.0.0-beta.4'
   spec.dependency 'QueryKit', '~> 0.12.0'
 end