REBASE WifiStateChangeService/Receiver for broadcasting network update triggers
make sure button light is off when showing "Enable Wifi"
REBASE WifiStateChangeService/Receiver for broadcasting network update triggers

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run LocalRepoService as a unkillable foreground Service

This also provides a unkillable notification.  Since the local repo is only
supposed to be running while users are actively in the swap process, it
makes sense to make this a permanent, unclearable notification.

refs #2908 https://dev.guardianproject.info/issues/2908