Bumped the version of the framework and podspec to 2.0.0-beta.1.

Alamofire.podspec

 Pod::Spec.new do |s|
   s.name = 'Alamofire'
-  s.version = '1.3.1'
+  s.version = '2.0.0-beta.1'
   s.license = 'MIT'
   s.summary = 'Elegant HTTP Networking in Swift'
   s.homepage = 'https://github.com/Alamofire/Alamofire'

Source/Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.3.1</string>
+	<string>2.0.0-beta.1</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>