Bumped podspec version to 3.0.0-beta.1 and the AF dependency to 4.0.0-beta.1.
Bumped podspec version to 3.0.0-beta.1 and the AF dependency to 4.0.0-beta.1.

daniele-pizziconi/AlamofireImage,Alamofire/AlamofireImage,Pluto-tv/AlamofireImage,Pluto-tv/AlamofireImage,Alamofire/AlamofireImage,sessuru/AlamofireImage,daniele-pizziconi/AlamofireImage,sessuru/AlamofireImage