Converting to Swift 3 (#38)

This keeps all the APIs the same as before and only updates the project.
In a future commit, we'll convert the APIs.

.travis.yml

@@ -1,5 +1,5 @@
 language: objective-c
-osx_image: xcode7.3
+osx_image: xcode8
 script: sh build.sh
 after_success:
   - bash <(curl -s https://codecov.io/bash)

Podfile

@@ -3,20 +3,20 @@
 use_frameworks!
 
 target :'RocketData' do
-  pod 'ConsistencyManager', '~> 2.0.0'
+  pod 'ConsistencyManager', '~> 3.0.0'
 end
 
 target :'RocketDataTests' do
-  pod 'ConsistencyManager', '~> 2.0.0'
+  pod 'ConsistencyManager', '~> 3.0.0'
 end
 
-# This is necessary to convert the target to swift 3
+# This is necessary to convert the target to swift 3.0
 # This isn't detected automatically by cocoapods or supported in the podspec
 # We can remove this once Cocoapods has a better solution
 post_install do |installer|
     installer.pods_project.targets.each do |target|
         target.build_configurations.each do |config|
-            config.build_settings['SWIFT_VERSION'] = '2.3'
+            config.build_settings['SWIFT_VERSION'] = '3.0'
         end
     end
 end

Podfile.lock

@@ -1,12 +1,12 @@
 PODS:
-  - ConsistencyManager (2.0.0)
+  - ConsistencyManager (3.0.0)
 
 DEPENDENCIES:
-  - ConsistencyManager (~> 2.0.0)
+  - ConsistencyManager (~> 3.0.0)
 
 SPEC CHECKSUMS:
-  ConsistencyManager: 4a1f6f20628befc25ed3393444c7c18ae64149a4
+  ConsistencyManager: 2312b687bbd3875ae5b40a220239e969448d2191
 
-PODFILE CHECKSUM: 951a900dc8a72177544a74e0c6d54c3554572601
+PODFILE CHECKSUM: 6db966c1e9f949a826512ccb3129eda0b528af50
 
 COCOAPODS: 1.1.0.rc.2