added travis integration

Author: addoshi

.travis.yml

@@ -0,0 +1,8 @@
+language: objective-c
+before_install:
+  - export LANG=en_US.UTF-8
+  - gem install cocoapods xcpretty --no-ri --no-rdoc
+  - pod install
+  
+script:
+  - set -o pipefail && xcodebuild test -workspace SWTableViewCell.xcworkspace -scheme SWTableViewCell -sdk iphonesimulator ONLY_ACTIVE_ARCH=NO | xcpretty -c