Travis automated test with saucelabs

[fyhao]

Start from build 97

• [x] Local saucelab testApp.js testing, make sure uploaded ipa and be opened in saucelab (Currently build 102)
  • [x] build 103 start debugsimulator test
  • [x] build 128 complete saucelab upload (debug mode) and can see the apps.
• [x] Local saucelab testApp.js run sample UI testing
• [x] Create tests folder in this git, and subfolder for ui, move testApp.js here for test script integration
• [x] Checkout dev and sync latest changes including test script.
• [x] In travis script, create branch check, only branch dev to run saucelab testing upon submit, but staging run the build
• [x] Checkout dev, create new button with alert, and write testApp.js to detect the button and click and handle alert prompt, make sure test passed.
• [ ] Check on Mocha or jasmine test with saucelab test script.
• [ ] Checkout dev, change button name, and implement mocha or jasmine integrated test script reflect to this button name, make sure test passed.

[fyhao]

saucelab testApp.js successfully click "HomeView" in tableview, and click "Sign in 4567" button and accept the alert OK button.