When checking for wakeup mode, we also check if it has a valid IP address and valid port number
WS response with error code instead error text
Modified simple example according to new push api
Merge pull request #185 from acperez/mozAPI

Modified simple example according to new push api
Fix https://jirapdi.tid.es/browse/OWD-24197
Merge branch 'mozAPI' into develop (simplepush)
Merge branch 'develop'
Added support to URL format
Added support to use HTTPS Wakeup servers to UDP server