Deprecated classes

[uberchilly]

What would be the best way to get status connected/disconnected since connectivity.state == NetworkInfo.State.CONNECTED
is deprecated.

[phansier]

@uberchilly Thanks for the submission.
I suppose, there should be revisions made similar to pwittchen/ReactiveNetwork#455
I would be grateful if you could arrange them in the form of Pull Request.
I will do my best to publish a new version of the library after it.