Update to PMK6

Author: mxcl

Cartfile

@@ -1 +1 @@
-github "mxcl/PromiseKit" ~> 5.0
+github "mxcl/PromiseKit" ~> 6.0

Cartfile.resolved

@@ -1 +1 @@
-github "mxcl/PromiseKit" "5.0.3"
+github "mxcl/PromiseKit" "6.0.0"

Sources/MKDirections+Promise.swift

@@ -16,11 +16,11 @@ import PromiseKit
 extension MKDirections {
     /// Begins calculating the requested route information asynchronously.
     public func calculate() -> Promise<MKDirectionsResponse> {
-        return Promise(.pending) { calculate(completionHandler: $0.resolve) }
+        return Promise { calculate(completionHandler: $0.resolve) }
     }
 
     /// Begins calculating the requested travel-time information asynchronously.
     public func calculateETA() -> Promise<MKETAResponse> {
-        return Promise(.pending) { calculateETA(completionHandler: $0.resolve) }
+        return Promise { calculateETA(completionHandler: $0.resolve) }
     }
 }

Sources/MKMapSnapshotter+Promise.swift

@@ -16,6 +16,6 @@ import PromiseKit
 extension MKMapSnapshotter {
     /// Starts generating the snapshot using the options set in this object.
     public func start() -> Promise<MKMapSnapshot> {
-        return Promise(.pending) { start(completionHandler: $0.resolve) }
+        return Promise { start(completionHandler: $0.resolve) }
     }
 }