Can not build AeroGear-ios in Xcode6

Issue running GoogleDrive/Shoot (Onbjective-C version) in Xcode 6 reveals problem with

1. AFNetworking 2.2.1:
Error: -streamStatus only defined for abstract class exception
Similar to
https://github.com/AFNetworking/AFNetworking/issues/2128
for upload
=> need to update to 2.3.1
2. compilation issue with Kiwi
https://github.com/kiwi-bdd/Kiwi/issues/541