Upgrade to Cocoapod 0.36.0.beta.1 requires Umbrella Header Usage

[JustinDSN]

I will have to admit I'm on the bit of the leading (aka: bleeding) edge here.

I'm adding Alamofire and ProtocolBuffers-Swift to an existing AFNetworking and ProtocolBuffers-Objc project. I upgraded to Cocoapods 0.36.0.beta.1, and installed Alamofire as so: pod 'Alamofire', '~> 1.1.3'.

After performing a pod install it seems that 0.36.0.beta.1 changed its style to use Umbrella Headers instead. This means that in the Protocol Buffers generated files stop being able to find the import #import "ProtocolBuffers.h".

I was able to fix this by changing #import "ProtocolBuffers.h" to @import ProtocolBuffers; or #import <ProtocolBuffers/ProtocolBuffers.h>. It seems like @import points to the 'umbrella' header generated by Cocoapods. Not sure which one is the right one to use.