Update README.md
Merge pull request #1 from willyaranda/patch-1

Update README.md
Added recovery setup method
Added support for cross-domain requests
Refactored requestURL -> requestRemotePermission method rename
Changes in push.js and pushtest.html and some new functionalities like jasmine functional tests
Changes to enable ack and PING/PONG tests in jasmine automated functional tests
Update push.js to enable tests in QA environment
Update html.js to enable tests in QA environment.
Update TestCases.js to fit new onError behaviour

Commented unregister operations after error, because now WS is closed on every error.
Changes in ROY to cover all the functional cases and fit the latest changes in push server
Changes in pushtest.html to fix hello tests
Minor changes to fit last version
Modified the updateVersion function to allow jasmine test automation
Changes to include a callback after endpointURL is filled
Change host to localhost to execute tests in prepro environment
Changes in test functions to add support to new tests
Added a ' that is missing in TestCases.js file
Fix the URL for the wrong endpoint test in prepro env
Changed a debugging log in push.js