Bug 1074271 - If after closing Loop application user looses the connectivity (no Data Connection or Server fail) the user should be able to access to it

See bug https://bugzilla.mozilla.org/show_bug.cgi?id=1074271 please.
Just one comment here. I would add the same as https://github.com/mozilla-b2g/firefoxos-loop-client/pull/158/files#diff-fc46f0e3c600d6f85aa05fabf83c3187R403 due to we can loose the connectivity during the process.