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Fix crashy unregister. Do not attempt to call nothing on a null object
Disabled mobilenetwork tests since we do not use it on this 1.0
Merge pull request #274 from willyaranda/fix_crashy_unregister

Fix crashy unregister. Do not attempt to call nothing on a null object
Server configured through json and configurable at runtime
Merge pull request #276 from acperez/simple-notification-server-settings

Server configured through json and configurable at runtime
Fix problem with unstable building blocks
Merge pull request #277 from acperez/simple_notification_styles

Fix problem with unstable building blocks
Adding more unit tests