FIRST steps of using a (simple)PushEndpoint URL on the installation metadata + getting rid of the SimplePushVariant's push network URL
Updating finder, sender and service classes to work with the 'pushEndpoint' from the SimplePush 'spec'
typo
removed annotations that are not needed
Update the pushEndpoint as well..
Adding null check
Make sure SimplePush clients to submit their pushEndpoint URL
Merge branch 'pushEndpoint'