[Merge] lp:~qbalazs/installation-guide/trunk into lp:~ubuntu-core-dev/installation-guide/ubuntu

[Doug Smythies]

@Quinn: This MP is now obsolete, but your hard work has been included in the master code. Could you please delete this MP.
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https://code.launchpad.net/~qbalazs/installation-guide/trunk/+merge/190783
Your team Ubuntu Core Development Team is requested to review the proposed merge of lp:~qbalazs/installation-guide/trunk into lp:~ubuntu-core-dev/installation-guide/ubuntu.