[Merge] lp:~phablet-team/messaging-app/broadcast_messages_icons into lp:messaging-app/staging

[Roberto Mier Escandón ]

Review: Needs Information

I see the icon in the conversations list not aligned with the rest of the titles. Maybe ask the designers if it should. Besides, if there is a subtitle, it is padded along with the title, leaving a blank space under the icon .. a bit weird
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https://code.launchpad.net/~phablet-team/messaging-app/broadcast_messages_icons/+merge/310214
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