Added basic refresh library
Added Refresher submodule
Added Alamofire (AFNetworking for Swift)
Added ALBanner for error messages (reachability connectivity). Also added custom Reachability swift native class
Added a new HUD as well
Added a new HUD as well
Minor change
Revert "Minor change"

This reverts commit e032967f488ab050cba3541011a98044eb35e017.