[Merge] lp:~ogra/phablet-tools/phablet-tools-fix-phablet-shell into lp:phablet-tools

[Oliver Grawert]

i dropped teh chown since teh user is in any case correct, but i would like ot keep the chmod since if the .ssh dir or authorized_keys never existed they are created with wide open permissions
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https://code.launchpad.net/~ogra/phablet-tools/phablet-tools-fix-phablet-shell/+merge/234976
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