[Merge] ~vicamo/avila/+git/kernel-3.10:xenial-snappy/snappy-features into ~phablet-team/avila/+git/kernel-3.10:xenial

[Vicamo Yang]

Review: Approve

Let's fix kernel crash issue in subsequent changes and let people install snapd first.
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https://code.launchpad.net/~vicamo/avila/+git/kernel-3.10/+merge/307305
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