fix: update travis configuration

.swift-version

@@ -0,0 +1 @@
+3.0

.travis.yml

@@ -1,14 +1,27 @@
-# references:
-# * http://www.objc.io/issue-6/travis-ci.html
-# * https://github.com/supermarin/xcpretty#usage
-
 language: objective-c
-osx_image: xcode8.2
-# cache: cocoapods
-# podfile: Example/Podfile
-# before_install:
-# - gem install cocoapods # Since Travis is not always on latest version
-# - pod install --project-directory=Example
+cache: cocoapods
+rvm: 2.2.2
+osx_image: xcode8
+
+env:
+  global:
+  - LC_CTYPE=en_US.UTF-8
+  - LANG=en_US.UTF-8
+  - WORKSPACE=Example/KZFileWatchers.xcworkspace
+  - SCHEME=KZFileWatchers-Example
+
+before_install:
+  - gem install cocoapods -v 1.1.0.rc2 # remove -v after it ships
+  - gem install xcpretty
+
 script:
-- set -o pipefail && xcodebuild test -workspace Example/KZFileWatchers.xcworkspace -scheme KZFileWatchers-Example -sdk 'iphonesimulator10.2' -destination 'name=iPhone 6,OS=10.1' CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO ONLY_ACTIVE_ARCH=NO | xcpretty
-- pod lib lint
+  - set -o pipefail
+  - xcodebuild -version
+  - xcodebuild -showsdks
+
+  - xcodebuild -workspace "$WORKSPACE" -scheme "$SCHEME" -destination 'name=iPhone 6,OS=10.0' ONLY_ACTIVE_ARCH=NO CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO build | xcpretty
+  - xcodebuild -workspace "$WORKSPACE" -scheme "$SCHEME" ONLY_ACTIVE_ARCH=NO CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO build | xcpretty
+
+  - xcodebuild -workspace "$WORKSPACE" -scheme "$SCHEME" -sdk iphonesimulator -destination 'name=iPhone 6,OS=10.0' ONLY_ACTIVE_ARCH=NO CODE_SIGN_IDENTITY="" CODE_SIGNING_REQUIRED=NO test | xcpretty
+
+  - pod _1.1.0.rc2_ lib lint