Update Travis-CI to Xcode 7.1.

Author: nlutsenko

.travis.yml

@@ -4,24 +4,24 @@ branches:
     - master-v3
 language: objective-c
 os: osx
-osx_image: xcode7
+osx_image: xcode7.1
 env:
   global:
     - LC_CTYPE=en_US.UTF-8
     - LANG=en_US.UTF-8
   matrix:
-    - TEST_TYPE=ios
-    - TEST_TYPE=podspecs
+    - TEST_TYPE=iOS
+    - TEST_TYPE=CocoaPods
 script:
 - |
-    if [ "$TEST_TYPE" = ios ]; then
+    if [ "$TEST_TYPE" = iOS ]; then
       set -o pipefail
       xcodebuild test -workspace ParseFacebookUtils.xcworkspace -sdk iphonesimulator -scheme ParseFacebookUtils-iOS -configuration Debug -destination "platform=iOS Simulator,name=iPhone 4s" -destination "platform=iOS Simulator,name=iPhone 6 Plus" GCC_INSTRUMENT_PROGRAM_FLOW_ARCS=YES GCC_GENERATE_TEST_COVERAGE_FILES=YES | xcpretty
-    elif [ "$TEST_TYPE" = podspecs ]; then
+    elif [ "$TEST_TYPE" = CocoaPods ]; then
       pod lib lint --use-libraries ParseFacebookUtils.podspec --allow-warnings
     fi
 after_success:
 - |
-    if [ "$TEST_TYPE" = ios ]; then
+    if [ "$TEST_TYPE" = iOS ]; then
       bash <(curl -s https://codecov.io/bash)
     fi