Fixes Carthage dependency.

kzaher · kzaher · commit 3e80aa7a22b0 · 2016-09-11T18:00:11.000+02:00
diff --git a/Cartfile b/Cartfile
@@ -1 +1 @@
-github "ReactiveX/RxSwift" "master"
+github "ReactiveX/RxSwift" "3.0.0-beta.1"

Original file line number	Diff line number	Diff line change
`@@ -1 +1 @@`
`1`		`-github "ReactiveX/RxSwift" "master"`
	`1`	`+github "ReactiveX/RxSwift" "3.0.0-beta.1"`