Update .travis.yml to push carthage builds

Author: hamchapman

.travis.yml

@@ -1,4 +1,23 @@
 language: objective-c
-osx_image: xcode7
+osx_image: xcode7.1
+xcode_workspace: PusherSwift.xcworkspace
+xcode_scheme: PusherSwift
+xcode_sdk: iphonesimulator9.1
+before_install:
+  - brew update
+  - brew install carthage
 script:
-  - xcodebuild test -workspace PusherSwift.xcworkspace -scheme PusherSwiftTests -destination OS=9.0,name=iPhone\ 6 -sdk iphonesimulator9.0 ONLY_ACTIVE_ARCH=NO
+  - xcodebuild test -workspace PusherSwift.xcworkspace -scheme PusherSwiftTests -destination OS=9.0,name=iPhone\ 6 -sdk iphonesimulator9.0 ONLY_ACTIVE_ARCH=NO
+before_deploy:
+  - carthage build --no-skip-current --verbose
+  - carthage archive PusherSwift
+deploy:
+  provider: releases
+  api_key:
+    secure: JX093TPx+8Rvgd58s5KkmQQM0/i2cwSiSfRydqFHmN96wny5DHxxF0GOj/4kERHMS7R/gQYXCDtAoEAe0OP0ULD9PLH9D51G6KZQ1LKQPpzOK4ydJc3o9/CvcSrJpWmgSoGquOH0EITXxR4xaP3QrvmFx5mV48XHuZbMRjUlR8I=
+  file:
+    - "PusherSwift.framework.zip"
+  skip_cleanup: true
+  on:
+    repo: pusher-community/pusher-websocket-swift
+    tags: true