Turn off same-origin-policy in Chrome http://stackoverflow.com/questions/3102819/chrome-disable-same-origin-policy

chromium-browser --disable-web-security
google-chrome --disable-web-security

Windows: The target in the short-cut:
"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe"
   --disable-web-security

Mac:
open /Applications/Google\ Chrome.app/ --args --disable-web-security

In Firefox: https://addons.mozilla.org/en-us/firefox/addon/forcecors/