[Merge] lp:~phablet-team/network-manager/lp1361864-2 into lp:~phablet-team/network-manager/vivid-phone-overlay

[Tony Espy]

Tested krillin (rc-proposed/bq-aquaris.en #60, ~OTA5 ).

Ran Basic, Preferred, and Dual SIM tests from:

https://wiki.ubuntu.com/Process/Merges/TestPlans/network-manager

Encountered a couple of crashes when manually restarting ofono that were caused by sloppy GObject memory management in NMModemOfono.  As such, I've updated this merge proposal with a few small changes to fix these problems.
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https://code.launchpad.net/~phablet-team/network-manager/lp1361864-2/+merge/263982
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