Ignore _debug directory (#711)
Ignore _debug directory (#711)


GoogleChrome/chrome-app-samples,GoogleChrome/chrome-app-samples,GoogleChrome/chrome-extensions-samples,GoogleChrome/chrome-extensions-samples,GoogleChrome/chrome-app-samples,GoogleChrome/chrome-app-samples,GoogleChrome/chrome-app-samples,GoogleChrome/chrome-app-samples,GoogleChrome/chrome-extensions-samples,GoogleChrome/chrome-extensions-samples,GoogleChrome/chrome-extensions-samples,GoogleChrome/chrome-extensions-samples,GoogleChrome/chrome-extensions-samples,GoogleChrome/chrome-extensions-samples,GoogleChrome/chrome-app-samples,GoogleChrome/chrome-extensions-samples,GoogleChrome/chrome-app-samples,GoogleChrome/chrome-app-samples